16429549266990 has 24 divisors (see below), whose sum is σ = 42716828094408. Its totient is φ = 4381213137840.

The previous prime is 16429549266941. The next prime is 16429549267003. The reversal of 16429549266990 is 9966294592461.

16429549266990 is a `hidden beast` number, since 1 + 6 + 42 + 9 + 5 + 492 + 6 + 6 + 9 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91275273616 + ... + 91275273795.

It is an arithmetic number, because the mean of its divisors is an integer number (1779867837267).

Almost surely, 2^{16429549266990} is an apocalyptic number.

16429549266990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16429549266990 is an abundant number, since it is smaller than the sum of its proper divisors (26287278827418).

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

16429549266990 is a wasteful number, since it uses less digits than its factorization.

16429549266990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182550547424 (or 182550547421 counting only the distinct ones).

The product of its (nonzero) digits is 453496320, while the sum is 72.

The spelling of 16429549266990 in words is "sixteen trillion, four hundred twenty-nine billion, five hundred forty-nine million, two hundred sixty-six thousand, nine hundred ninety".