16549043294 has 8 divisors (see below), whose sum is σ = 28369788528. Its totient is φ = 7092447120.

The previous prime is 16549043249. The next prime is 16549043311. The reversal of 16549043294 is 49234094561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591037247 + ... + 591037274.

It is an arithmetic number, because the mean of its divisors is an integer number (3546223566).

Almost surely, 2^16549043294 is an apocalyptic number.

16549043294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16549043294 is a deficient number, since it is larger than the sum of its proper divisors (11820745234).

16549043294 is a wasteful number, since it uses less digits than its factorization.

16549043294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182074530.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 16549043294 in words is "sixteen billion, five hundred forty-nine million, forty-three thousand, two hundred ninety-four".