16961357 has 8 divisors (see below), whose sum is σ = 20404800. Its totient is φ = 13773024.

The previous prime is 16961341. The next prime is 16961363. The reversal of 16961357 is 75316961.

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

It is not a de Polignac number, because 16961357 - 2⁴ = 16961341 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 16961357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16961057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63632 + ... + 63897.

It is an arithmetic number, because the mean of its divisors is an integer number (2550600).

Almost surely, 2^16961357 is an apocalyptic number.

It is an amenable number.

16961357 is a deficient number, since it is larger than the sum of its proper divisors (3443443).

16961357 is a wasteful number, since it uses less digits than its factorization.

16961357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127555.

The product of its digits is 34020, while the sum is 38.

The square root of 16961357 is about 4118.4168074638. The cubic root of 16961357 is about 256.9331837385.

The spelling of 16961357 in words is "sixteen million, nine hundred sixty-one thousand, three hundred fifty-seven".