156401655022 has 32 divisors (see below), whose sum is σ = 243586728000. Its totient is φ = 75226330368.

The previous prime is 156401655017. The next prime is 156401655023. The reversal of 156401655022 is 220556104651.

It is a super-2 number, since 2×156401655022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156401655023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33538663 + ... + 33543325.

It is an arithmetic number, because the mean of its divisors is an integer number (7612085250).

Almost surely, 2^156401655022 is an apocalyptic number.

156401655022 is a deficient number, since it is larger than the sum of its proper divisors (87185072978).

156401655022 is a wasteful number, since it uses less digits than its factorization.

156401655022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 156401655022 its reverse (220556104651), we get a palindrome (376957759673).

The spelling of 156401655022 in words is "one hundred fifty-six billion, four hundred one million, six hundred fifty-five thousand, twenty-two".