16651246023 has 12 divisors (see below), whose sum is σ = 24065781480. Its totient is φ = 11094377616.

The previous prime is 16651245979. The next prime is 16651246063. The reversal of 16651246023 is 32064215661.

16651246023 is a `hidden beast` number, since 1 + 66 + 512 + 4 + 60 + 23 = 666.

It is not a de Polignac number, because 16651246023 - 2⁶ = 16651245959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16651246063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521388 + ... + 552401.

It is an arithmetic number, because the mean of its divisors is an integer number (2005481790).

Almost surely, 2^16651246023 is an apocalyptic number.

16651246023 is a deficient number, since it is larger than the sum of its proper divisors (7414535457).

16651246023 is a wasteful number, since it uses less digits than its factorization.

16651246023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075518 (or 1075515 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 16651246023 in words is "sixteen billion, six hundred fifty-one million, two hundred forty-six thousand, twenty-three".