16670545145723 has 32 divisors (see below), whose sum is σ = 19590149376000. Its totient is φ = 13889633998464.

The previous prime is 16670545145719. The next prime is 16670545145783. The reversal of 16670545145723 is 32754154507661.

It is not a de Polignac number, because 16670545145723 - 2² = 16670545145719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16670545145783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778295708 + ... + 778317126.

It is an arithmetic number, because the mean of its divisors is an integer number (612192168000).

Almost surely, 2^{16670545145723} is an apocalyptic number.

16670545145723 is a deficient number, since it is larger than the sum of its proper divisors (2919604230277).

16670545145723 is a wasteful number, since it uses less digits than its factorization.

16670545145723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37499.

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 16670545145723 in words is "sixteen trillion, six hundred seventy billion, five hundred forty-five million, one hundred forty-five thousand, seven hundred twenty-three".