47166401931 has 16 divisors (see below), whose sum is σ = 69212810880. Its totient is φ = 28332725120.

The previous prime is 47166401929. The next prime is 47166401939. The reversal of 47166401931 is 13910466174.

It is a cyclic number.

It is not a de Polignac number, because 47166401931 - 2¹ = 47166401929 is a prime.

It is a super-2 number, since 2×47166401931² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47166401939) 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, 6320541 + ... + 6327998.

It is an arithmetic number, because the mean of its divisors is an integer number (4325800680).

Almost surely, 2^47166401931 is an apocalyptic number.

47166401931 is a deficient number, since it is larger than the sum of its proper divisors (22046408949).

47166401931 is a wasteful number, since it uses less digits than its factorization.

47166401931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12648666.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 47166401931 in words is "forty-seven billion, one hundred sixty-six million, four hundred one thousand, nine hundred thirty-one".