16628916401290 has 16 divisors (see below), whose sum is σ = 30029548060512. Its totient is φ = 6629900218704.

The previous prime is 16628916401231. The next prime is 16628916401329. The reversal of 16628916401290 is 9210461982661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2708289504 + ... + 2708295643.

It is an arithmetic number, because the mean of its divisors is an integer number (1876846753782).

Almost surely, 2^{16628916401290} is an apocalyptic number.

16628916401290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16628916401290 is a deficient number, since it is larger than the sum of its proper divisors (13400631659222).

16628916401290 is a wasteful number, since it uses less digits than its factorization.

16628916401290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416585461.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 16628916401290 in words is "sixteen trillion, six hundred twenty-eight billion, nine hundred sixteen million, four hundred one thousand, two hundred ninety".