16031070 has 48 divisors (see below), whose sum is σ = 45472752. Its totient is φ = 3886080.

The previous prime is 16031063. The next prime is 16031087. The reversal of 16031070 is 7013061.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7107 + ... + 9086.

It is an arithmetic number, because the mean of its divisors is an integer number (947349).

Almost surely, 2^16031070 is an apocalyptic number.

16031070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16031070 is an abundant number, since it is smaller than the sum of its proper divisors (29441682).

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

16031070 is a wasteful number, since it uses less digits than its factorization.

16031070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16217 (or 16214 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 16031070 is about 4003.8818663892. The cubic root of 16031070 is about 252.1472117940.

Subtracting from 16031070 its reverse (7013061), we obtain a square (9018009 = 3003²).

The spelling of 16031070 in words is "sixteen million, thirty-one thousand, seventy".