161676000 has 240 divisors, whose sum is σ = 594594000. Its totient is φ = 43027200.

The previous prime is 161675999. The next prime is 161676013. The reversal of 161676000 is 676161.

161676000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×161676000² = 52278257952000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 323751 + ... + 324249.

It is an arithmetic number, because the mean of its divisors is an integer number (2477475).

Almost surely, 2^161676000 is an apocalyptic number.

161676000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161676000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297297000).

161676000 is an abundant number, since it is smaller than the sum of its proper divisors (432918000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161676000 is an equidigital number, since it uses as much as digits as its factorization.

161676000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 161676000 is about 12715.1877689635. The cubic root of 161676000 is about 544.7725111788.

The spelling of 161676000 in words is "one hundred sixty-one million, six hundred seventy-six thousand".