16924661 has 8 divisors (see below), whose sum is σ = 18855480. Its totient is φ = 15083712.

The previous prime is 16924643. The next prime is 16924697. The reversal of 16924661 is 16642961.

It can be written as a sum of positive squares in 4 ways, for example, as 844561 + 16080100 = 919^2 + 4010^2 .

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

It is not a de Polignac number, because 16924661 - 2⁶ = 16924597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16924561) 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, 22070 + ... + 22823.

It is an arithmetic number, because the mean of its divisors is an integer number (2356935).

Almost surely, 2^16924661 is an apocalyptic number.

It is an amenable number.

16924661 is a deficient number, since it is larger than the sum of its proper divisors (1930819).

16924661 is a wasteful number, since it uses less digits than its factorization.

16924661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44935.

The product of its digits is 15552, while the sum is 35.

The square root of 16924661 is about 4113.9592851656. The cubic root of 16924661 is about 256.7477577773.

The spelling of 16924661 in words is "sixteen million, nine hundred twenty-four thousand, six hundred sixty-one".