16577049436 has 12 divisors (see below), whose sum is σ = 29048163928. Its totient is φ = 8277574032.

The previous prime is 16577049427. The next prime is 16577049481. The reversal of 16577049436 is 63494077561.

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, 2734266 + ... + 2740321.

Almost surely, 2^16577049436 is an apocalyptic number.

It is an amenable number.

16577049436 is a deficient number, since it is larger than the sum of its proper divisors (12471114492).

16577049436 is a wasteful number, since it uses less digits than its factorization.

16577049436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475348 (or 5475346 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 16577049436 in words is "sixteen billion, five hundred seventy-seven million, forty-nine thousand, four hundred thirty-six".