163542406032402 has 64 divisors (see below), whose sum is σ = 337370296959360. Its totient is φ = 52818972684800.

The previous prime is 163542406032391. The next prime is 163542406032461. The reversal of 163542406032402 is 204230604245361.

It is a happy number.

It is a super-2 number, since 2×163542406032402² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31635952 + ... + 36440612.

It is an arithmetic number, because the mean of its divisors is an integer number (5271410889990).

Almost surely, 2^{163542406032402} is an apocalyptic number.

163542406032402 is an abundant number, since it is smaller than the sum of its proper divisors (173827890926958).

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

163542406032402 is a wasteful number, since it uses less digits than its factorization.

163542406032402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805659.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 163542406032402 in words is "one hundred sixty-three trillion, five hundred forty-two billion, four hundred six million, thirty-two thousand, four hundred two".