47160981 has 48 divisors (see below), whose sum is σ = 83265600. Its totient is φ = 26290656.

The previous prime is 47160961. The next prime is 47161019. The reversal of 47160981 is 18906174.

47160981 is a `hidden beast` number, since 47 + 1 + 609 + 8 + 1 = 666.

It is not a de Polignac number, because 47160981 - 2⁷ = 47160853 is a prime.

It is a super-2 number, since 2×47160981² = 4448316257764722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47160961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56475 + ... + 57303.

It is an arithmetic number, because the mean of its divisors is an integer number (1734700).

Almost surely, 2^47160981 is an apocalyptic number.

It is an amenable number.

47160981 is a deficient number, since it is larger than the sum of its proper divisors (36104619).

47160981 is a wasteful number, since it uses less digits than its factorization.

47160981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 47160981 is about 6867.3853102910. The cubic root of 47160981 is about 361.2941614973.

It can be divided in two parts, 47 and 160981, that added together give a triangular number (161028 = T₅₆₇).

The spelling of 47160981 in words is "forty-seven million, one hundred sixty thousand, nine hundred eighty-one".