16444462051 has 2 divisors, whose sum is σ = 16444462052. Its totient is φ = 16444462050.

The previous prime is 16444462043. The next prime is 16444462087. The reversal of 16444462051 is 15026444461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16444462051 - 2³ = 16444462043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16444462051.

It is not a weakly prime, because it can be changed into another prime (16444462091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8222231025 + 8222231026.

It is an arithmetic number, because the mean of its divisors is an integer number (8222231026).

Almost surely, 2^16444462051 is an apocalyptic number.

16444462051 is a deficient number, since it is larger than the sum of its proper divisors (1).

16444462051 is an equidigital number, since it uses as much as digits as its factorization.

16444462051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 16444462051 in words is "sixteen billion, four hundred forty-four million, four hundred sixty-two thousand, fifty-one".