162508416421 has 16 divisors (see below), whose sum is σ = 185958569664. Its totient is φ = 140684845824.

The previous prime is 162508416409. The next prime is 162508416439. The reversal of 162508416421 is 124614805261.

It is a cyclic number.

It is not a de Polignac number, because 162508416421 - 2²⁹ = 161971545509 is a prime.

It is a super-2 number, since 2×162508416421² (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 (162508516421) 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, 1236631 + ... + 1361716.

It is an arithmetic number, because the mean of its divisors is an integer number (11622410604).

Almost surely, 2^162508416421 is an apocalyptic number.

It is an amenable number.

162508416421 is a deficient number, since it is larger than the sum of its proper divisors (23450153243).

162508416421 is a wasteful number, since it uses less digits than its factorization.

162508416421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598660.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 162508416421 in words is "one hundred sixty-two billion, five hundred eight million, four hundred sixteen thousand, four hundred twenty-one".