16311970 has 16 divisors (see below), whose sum is σ = 29445120. Its totient is φ = 6506224.

The previous prime is 16311943. The next prime is 16312001. The reversal of 16311970 is 7911361.

It is an unprimeable number.

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, 1701 + ... + 5959.

It is an arithmetic number, because the mean of its divisors is an integer number (1840320).

Almost surely, 2^16311970 is an apocalyptic number.

16311970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16311970 is a deficient number, since it is larger than the sum of its proper divisors (13133150).

16311970 is a wasteful number, since it uses less digits than its factorization.

16311970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 16311970 is about 4038.8079924651. The cubic root of 16311970 is about 253.6114193924.

The spelling of 16311970 in words is "sixteen million, three hundred eleven thousand, nine hundred seventy".