162974487 has 16 divisors (see below), whose sum is σ = 234375008. Its totient is φ = 100137600.

The previous prime is 162974473. The next prime is 162974507. The reversal of 162974487 is 784479261.

It is not a de Polignac number, because 162974487 - 2¹⁸ = 162712343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162974437) 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, 25737 + ... + 31437.

It is an arithmetic number, because the mean of its divisors is an integer number (14648438).

Almost surely, 2^162974487 is an apocalyptic number.

162974487 is a deficient number, since it is larger than the sum of its proper divisors (71400521).

162974487 is a wasteful number, since it uses less digits than its factorization.

162974487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450.

The product of its digits is 677376, while the sum is 48.

The square root of 162974487 is about 12766.1461295099. The cubic root of 162974487 is about 546.2270553997.

The spelling of 162974487 in words is "one hundred sixty-two million, nine hundred seventy-four thousand, four hundred eighty-seven".