16000978 has 16 divisors (see below), whose sum is σ = 29044224. Its totient is φ = 6454080.

The previous prime is 16000973. The next prime is 16000979. The reversal of 16000978 is 87900061.

It is not an unprimeable number, because it can be changed into a prime (16000973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33378 + ... + 33853.

It is an arithmetic number, because the mean of its divisors is an integer number (1815264).

Almost surely, 2^16000978 is an apocalyptic number.

16000978 is a deficient number, since it is larger than the sum of its proper divisors (13043246).

16000978 is a wasteful number, since it uses less digits than its factorization.

16000978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67257.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 16000978 is about 4000.1222481319. The cubic root of 16000978 is about 251.9893440526.

The spelling of 16000978 in words is "sixteen million, nine hundred seventy-eight", and thus it is an aban number.