74516161631 has 2 divisors, whose sum is σ = 74516161632. Its totient is φ = 74516161630.

The previous prime is 74516161567. The next prime is 74516161649. The reversal of 74516161631 is 13616161547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74516161631 - 2⁶ = 74516161567 is a prime.

It is a super-2 number, since 2×74516161631² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74516161651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37258080815 + 37258080816.

It is an arithmetic number, because the mean of its divisors is an integer number (37258080816).

Almost surely, 2^74516161631 is an apocalyptic number.

74516161631 is a deficient number, since it is larger than the sum of its proper divisors (1).

74516161631 is an equidigital number, since it uses as much as digits as its factorization.

74516161631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The spelling of 74516161631 in words is "seventy-four billion, five hundred sixteen million, one hundred sixty-one thousand, six hundred thirty-one".