674461661136351 has 8 divisors (see below), whose sum is σ = 981035143471104. Its totient is φ = 408764643112920.

The previous prime is 674461661136323. The next prime is 674461661136409. The reversal of 674461661136351 is 153631166164476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-674461661136351 is a prime.

It is a super-2 number, since 2×674461661136351² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674461661156351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10219116077791 + ... + 10219116077856.

It is an arithmetic number, because the mean of its divisors is an integer number (122629392933888).

Almost surely, 2^{674461661136351} is an apocalyptic number.

674461661136351 is a deficient number, since it is larger than the sum of its proper divisors (306573482334753).

674461661136351 is a wasteful number, since it uses less digits than its factorization.

674461661136351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20438232155661.

The product of its digits is 39191040, while the sum is 60.

The spelling of 674461661136351 in words is "six hundred seventy-four trillion, four hundred sixty-one billion, six hundred sixty-one million, one hundred thirty-six thousand, three hundred fifty-one".