1620936162 has 24 divisors (see below), whose sum is σ = 3718618956. Its totient is φ = 508528896.

The previous prime is 1620936143. The next prime is 1620936181. The reversal of 1620936162 is 2616390261.

It is a happy number.

1620936162 is a `hidden beast` number, since 16 + 20 + 9 + 3 + 616 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1620936143) and next prime (1620936181).

It can be written as a sum of positive squares in 2 ways, for example, as 1572201801 + 48734361 = 39651^2 + 6981^2 .

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, 2648283 + ... + 2648894.

Almost surely, 2^1620936162 is an apocalyptic number.

1620936162 is an abundant number, since it is smaller than the sum of its proper divisors (2097682794).

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

1620936162 is a wasteful number, since it uses less digits than its factorization.

1620936162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5297202 (or 5297199 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1620936162 is about 40260.8514813087. The cubic root of 1620936162 is about 1174.6864802879.

The spelling of 1620936162 in words is "one billion, six hundred twenty million, nine hundred thirty-six thousand, one hundred sixty-two".