1986162152 has 32 divisors (see below), whose sum is σ = 4013143680. Its totient is φ = 916090560.

The previous prime is 1986162149. The next prime is 1986162163. The reversal of 1986162152 is 2512616891.

It is a super-2 number, since 2×1986162152² = 7889680188074542208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180077 + ... + 190787.

It is an arithmetic number, because the mean of its divisors is an integer number (125410740).

Almost surely, 2^1986162152 is an apocalyptic number.

It is an amenable number.

1986162152 is an abundant number, since it is smaller than the sum of its proper divisors (2026981528).

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

1986162152 is a wasteful number, since it uses less digits than its factorization.

1986162152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12513 (or 12509 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 1986162152 is about 44566.3791663626. The cubic root of 1986162152 is about 1257.0085564275.

The spelling of 1986162152 in words is "one billion, nine hundred eighty-six million, one hundred sixty-two thousand, one hundred fifty-two".