162131051640 has 64 divisors (see below), whose sum is σ = 491115456000. Its totient is φ = 42815187072.

The previous prime is 162131051627. The next prime is 162131051671. The reversal of 162131051640 is 46150131261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 162131051598 and 162131051607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6546340 + ... + 6571059.

It is an arithmetic number, because the mean of its divisors is an integer number (7673679000).

Almost surely, 2^162131051640 is an apocalyptic number.

162131051640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162131051640 is an abundant number, since it is smaller than the sum of its proper divisors (328984404360).

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

162131051640 is a wasteful number, since it uses less digits than its factorization.

162131051640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13117516 (or 13117512 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 162131051640 in words is "one hundred sixty-two billion, one hundred thirty-one million, fifty-one thousand, six hundred forty".