45974728166 has 16 divisors (see below), whose sum is σ = 71345165040. Its totient is φ = 22193119200.

The previous prime is 45974728139. The next prime is 45974728169. The reversal of 45974728166 is 66182747954.

It is a super-2 number, since 2×45974728166² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45974728169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1576316 + ... + 1605216.

It is an arithmetic number, because the mean of its divisors is an integer number (4459072815).

Almost surely, 2^45974728166 is an apocalyptic number.

45974728166 is a deficient number, since it is larger than the sum of its proper divisors (25370436874).

45974728166 is a wasteful number, since it uses less digits than its factorization.

45974728166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56359.

The product of its digits is 20321280, while the sum is 59.

The spelling of 45974728166 in words is "forty-five billion, nine hundred seventy-four million, seven hundred twenty-eight thousand, one hundred sixty-six".