671983216762 has 32 divisors (see below), whose sum is σ = 1184308421184. Its totient is φ = 281923804800.

The previous prime is 671983216759. The next prime is 671983216787. The reversal of 671983216762 is 267612389176.

It is a super-2 number, since 2×671983216762² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 671983216697 and 671983216706.

It is an unprimeable number.

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, 3006958 + ... + 3222694.

It is an arithmetic number, because the mean of its divisors is an integer number (37009638162).

Almost surely, 2^671983216762 is an apocalyptic number.

671983216762 is a deficient number, since it is larger than the sum of its proper divisors (512325204422).

671983216762 is a wasteful number, since it uses less digits than its factorization.

671983216762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226654.

The product of its digits is 9144576, while the sum is 58.

The spelling of 671983216762 in words is "six hundred seventy-one billion, nine hundred eighty-three million, two hundred sixteen thousand, seven hundred sixty-two".