162555990387 has 16 divisors (see below), whose sum is σ = 247725910272. Its totient is φ = 92881058400.

The previous prime is 162555990383. The next prime is 162555990403. The reversal of 162555990387 is 783099555261.

It is not a de Polignac number, because 162555990387 - 2² = 162555990383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162555990387.

It is not an unprimeable number, because it can be changed into a prime (162555990383) 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, 85053 + ... + 576494.

It is an arithmetic number, because the mean of its divisors is an integer number (15482869392).

Almost surely, 2^162555990387 is an apocalyptic number.

162555990387 is a deficient number, since it is larger than the sum of its proper divisors (85169919885).

162555990387 is a wasteful number, since it uses less digits than its factorization.

162555990387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673258.

The product of its (nonzero) digits is 20412000, while the sum is 60.

The spelling of 162555990387 in words is "one hundred sixty-two billion, five hundred fifty-five million, nine hundred ninety thousand, three hundred eighty-seven".