16540375051 has 2 divisors, whose sum is σ = 16540375052. Its totient is φ = 16540375050.

The previous prime is 16540375009. The next prime is 16540375067. The reversal of 16540375051 is 15057304561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16540375051 - 2⁷ = 16540374923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16540375051.

It is not a weakly prime, because it can be changed into another prime (16540375451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8270187525 + 8270187526.

It is an arithmetic number, because the mean of its divisors is an integer number (8270187526).

Almost surely, 2^16540375051 is an apocalyptic number.

16540375051 is a deficient number, since it is larger than the sum of its proper divisors (1).

16540375051 is an equidigital number, since it uses as much as digits as its factorization.

16540375051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 16540375051 in words is "sixteen billion, five hundred forty million, three hundred seventy-five thousand, fifty-one".