161510150016 has 128 divisors (see below), whose sum is σ = 477303818400. Its totient is φ = 53766180864.

The previous prime is 161510149981. The next prime is 161510150023. The reversal of 161510150016 is 610051015161.

161510150016 is a `hidden beast` number, since 1 + 6 + 151 + 0 + 1 + 500 + 1 + 6 = 666.

161510150016 is digitally balanced in base 3, 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 (128).

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 15 ways as a sum of consecutive naturals, for example, 2641260 + ... + 2701716.

Almost surely, 2^161510150016 is an apocalyptic number.

161510150016 is a gapful number since it is divisible by the number (16) 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 161510150016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238651909200).

161510150016 is an abundant number, since it is smaller than the sum of its proper divisors (315793668384).

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

161510150016 is an equidigital number, since it uses as much as digits as its factorization.

161510150016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61253 (or 61235 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 161510150016 its reverse (610051015161), we get a palindrome (771561165177).

The spelling of 161510150016 in words is "one hundred sixty-one billion, five hundred ten million, one hundred fifty thousand, sixteen".