155401700016 has 20 divisors (see below), whose sum is σ = 401454391832. Its totient is φ = 51800566656.

The previous prime is 155401699987. The next prime is 155401700081. The reversal of 155401700016 is 610007104551.

155401700016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618767661 + ... + 1618767756.

Almost surely, 2^155401700016 is an apocalyptic number.

155401700016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155401700016 is an abundant number, since it is smaller than the sum of its proper divisors (246052691816).

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

155401700016 is a wasteful number, since it uses less digits than its factorization.

155401700016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237535428 (or 3237535422 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 155401700016 its reverse (610007104551), we get a palindrome (765408804567).

The spelling of 155401700016 in words is "one hundred fifty-five billion, four hundred one million, seven hundred thousand, sixteen".