162125256634 has 24 divisors (see below), whose sum is σ = 283029563124. Its totient is φ = 69358396800.

The previous prime is 162125256619. The next prime is 162125256677. The reversal of 162125256634 is 436652521261.

It can be written as a sum of positive squares in 2 ways, for example, as 145485030625 + 16640226009 = 381425^2 + 128997^2 .

It is a super-2 number, since 2×162125256634² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19699977 + ... + 19708204.

Almost surely, 2^162125256634 is an apocalyptic number.

162125256634 is a deficient number, since it is larger than the sum of its proper divisors (120904306490).

162125256634 is a wasteful number, since it uses less digits than its factorization.

162125256634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39408222 (or 39408211 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

Adding to 162125256634 its reverse (436652521261), we get a palindrome (598777777895).

The spelling of 162125256634 in words is "one hundred sixty-two billion, one hundred twenty-five million, two hundred fifty-six thousand, six hundred thirty-four".