161252674000 has 160 divisors (see below), whose sum is σ = 425831852160. Its totient is φ = 58571648000.

The previous prime is 161252673973. The next prime is 161252674001. The reversal of 161252674000 is 476252161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161252674001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22414404 + ... + 22421596.

It is an arithmetic number, because the mean of its divisors is an integer number (2661449076).

Almost surely, 2^161252674000 is an apocalyptic number.

161252674000 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 161252674000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212915926080).

161252674000 is an abundant number, since it is smaller than the sum of its proper divisors (264579178160).

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

161252674000 is a wasteful number, since it uses less digits than its factorization.

161252674000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8246 (or 8230 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 161252674000 in words is "one hundred sixty-one billion, two hundred fifty-two million, six hundred seventy-four thousand".