16751018461 has 2 divisors, whose sum is σ = 16751018462. Its totient is φ = 16751018460.

The previous prime is 16751018371. The next prime is 16751018513. The reversal of 16751018461 is 16481015761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8710488900 + 8040529561 = 93330^2 + 89669^2 .

It is a cyclic number.

It is not a de Polignac number, because 16751018461 - 2²¹ = 16748921309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16751018161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8375509230 + 8375509231.

It is an arithmetic number, because the mean of its divisors is an integer number (8375509231).

Almost surely, 2^16751018461 is an apocalyptic number.

It is an amenable number.

16751018461 is a deficient number, since it is larger than the sum of its proper divisors (1).

16751018461 is an equidigital number, since it uses as much as digits as its factorization.

16751018461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 16751018461 in words is "sixteen billion, seven hundred fifty-one million, eighteen thousand, four hundred sixty-one".