155516000016 has 80 divisors (see below), whose sum is σ = 435766345280. Its totient is φ = 47506798080.

The previous prime is 155515999993. The next prime is 155516000023. The reversal of 155516000016 is 610000615551.

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, 809755 + ... + 983226.

It is an arithmetic number, because the mean of its divisors is an integer number (5447079316).

Almost surely, 2^155516000016 is an apocalyptic number.

155516000016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155516000016 is an abundant number, since it is smaller than the sum of its proper divisors (280250345264).

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

155516000016 is a wasteful number, since it uses less digits than its factorization.

155516000016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793144 (or 1793138 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 155516000016 its reverse (610000615551), we get a palindrome (765516615567).

The spelling of 155516000016 in words is "one hundred fifty-five billion, five hundred sixteen million, sixteen", and thus it is an aban number.