16961478 has 16 divisors (see below), whose sum is σ = 35918640. Its totient is φ = 5321216.

The previous prime is 16961473. The next prime is 16961489. The reversal of 16961478 is 87416961.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16961473) 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, 83043 + ... + 83246.

It is an arithmetic number, because the mean of its divisors is an integer number (2244915).

Almost surely, 2^16961478 is an apocalyptic number.

16961478 is an abundant number, since it is smaller than the sum of its proper divisors (18957162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16961478 is a wasteful number, since it uses less digits than its factorization.

16961478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166311.

The product of its digits is 72576, while the sum is 42.

The square root of 16961478 is about 4118.4314975486. The cubic root of 16961478 is about 256.9337947125.

The spelling of 16961478 in words is "sixteen million, nine hundred sixty-one thousand, four hundred seventy-eight".