16557612466746 has 64 divisors (see below), whose sum is σ = 36942844901760. Its totient is φ = 4914543068160.

The previous prime is 16557612466741. The next prime is 16557612466799. The reversal of 16557612466746 is 64766421675561.

It is not an unprimeable number, because it can be changed into a prime (16557612466741) 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, 28802400 + ... + 29371643.

It is an arithmetic number, because the mean of its divisors is an integer number (577231951590).

Almost surely, 2^{16557612466746} is an apocalyptic number.

16557612466746 is an abundant number, since it is smaller than the sum of its proper divisors (20385232435014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16557612466746 is a wasteful number, since it uses less digits than its factorization.

16557612466746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58174191.

The product of its digits is 304819200, while the sum is 66.

The spelling of 16557612466746 in words is "sixteen trillion, five hundred fifty-seven billion, six hundred twelve million, four hundred sixty-six thousand, seven hundred forty-six".