16901594749 has 16 divisors (see below), whose sum is σ = 18634537152. Its totient is φ = 15230855808.

The previous prime is 16901594737. The next prime is 16901594771. The reversal of 16901594749 is 94749510961.

It is a cyclic number.

It is not a de Polignac number, because 16901594749 - 2²¹ = 16899497597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16901594749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16901594729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277442 + ... + 1290604.

It is an arithmetic number, because the mean of its divisors is an integer number (1164658572).

Almost surely, 2^16901594749 is an apocalyptic number.

It is an amenable number.

16901594749 is a deficient number, since it is larger than the sum of its proper divisors (1732942403).

16901594749 is a wasteful number, since it uses less digits than its factorization.

16901594749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15516.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 16901594749 in words is "sixteen billion, nine hundred one million, five hundred ninety-four thousand, seven hundred forty-nine".