45986919566 has 36 divisors (see below), whose sum is σ = 81075313368. Its totient is φ = 19163633184.

The previous prime is 45986919557. The next prime is 45986919593. The reversal of 45986919566 is 66591968954.

It is a super-2 number, since 2×45986919566² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45986919496 and 45986919505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29687360 + ... + 29688908.

It is an arithmetic number, because the mean of its divisors is an integer number (2252092038).

Almost surely, 2^45986919566 is an apocalyptic number.

45986919566 is a deficient number, since it is larger than the sum of its proper divisors (35088393802).

45986919566 is an frugal number, since it uses more digits than its factorization.

45986919566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181 (or 1595 counting only the distinct ones).

The product of its digits is 125971200, while the sum is 68.

The spelling of 45986919566 in words is "forty-five billion, nine hundred eighty-six million, nine hundred nineteen thousand, five hundred sixty-six".