162400156401 has 16 divisors (see below), whose sum is σ = 247481910144. Its totient is φ = 92794462464.

The previous prime is 162400156379. The next prime is 162400156433. The reversal of 162400156401 is 104651004261.

It is not a de Polignac number, because 162400156401 - 2¹⁰ = 162400155377 is a prime.

It is a super-2 number, since 2×162400156401² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162400156301) 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, 133561 + ... + 585353.

It is an arithmetic number, because the mean of its divisors is an integer number (15467619384).

Almost surely, 2^162400156401 is an apocalyptic number.

It is an amenable number.

162400156401 is a deficient number, since it is larger than the sum of its proper divisors (85081753743).

162400156401 is a wasteful number, since it uses less digits than its factorization.

162400156401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468920.

The product of its (nonzero) digits is 5760, while the sum is 30.

It can be divided in two parts, 162400 and 156401, that added together give a triangular number (318801 = T₇₉₈).

The spelling of 162400156401 in words is "one hundred sixty-two billion, four hundred million, one hundred fifty-six thousand, four hundred one".