46665616641 has 16 divisors (see below), whose sum is σ = 75292424064. Its totient is φ = 25097474304.

The previous prime is 46665616637. The next prime is 46665616661. The reversal of 46665616641 is 14661656664.

It is not a de Polignac number, because 46665616641 - 2² = 46665616637 is a prime.

It is a super-2 number, since 2×46665616641² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (46665616631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65357650 + ... + 65358363.

It is an arithmetic number, because the mean of its divisors is an integer number (4705776504).

Almost surely, 2^46665616641 is an apocalyptic number.

It is an amenable number.

46665616641 is a deficient number, since it is larger than the sum of its proper divisors (28626807423).

46665616641 is a wasteful number, since it uses less digits than its factorization.

46665616641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130716040.

The product of its digits is 3732480, while the sum is 51.

The spelling of 46665616641 in words is "forty-six billion, six hundred sixty-five million, six hundred sixteen thousand, six hundred forty-one".