16577075705 has 8 divisors (see below), whose sum is σ = 20068531272. Its totient is φ = 13144300288.

The previous prime is 16577075699. The next prime is 16577075743. The reversal of 16577075705 is 50757077561.

It can be written as a sum of positive squares in 4 ways, for example, as 2025720064 + 14551355641 = 45008^2 + 120629^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16577075705 - 2¹⁰ = 16577074681 is a prime.

It is a Duffinian number.

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, 14669414 + ... + 14670543.

It is an arithmetic number, because the mean of its divisors is an integer number (2508566409).

Almost surely, 2^16577075705 is an apocalyptic number.

It is an amenable number.

16577075705 is a deficient number, since it is larger than the sum of its proper divisors (3491455567).

16577075705 is a wasteful number, since it uses less digits than its factorization.

16577075705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29340075.

The product of its (nonzero) digits is 1800750, while the sum is 50.

The spelling of 16577075705 in words is "sixteen billion, five hundred seventy-seven million, seventy-five thousand, seven hundred five".