1016971690 has 16 divisors (see below), whose sum is σ = 2092056192. Its totient is φ = 348675984.

The previous prime is 1016971679. The next prime is 1016971723. The reversal of 1016971690 is 961796101.

It is a super-2 number, since 2×1016971690² = 2068462836522912200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7264014 + ... + 7264153.

It is an arithmetic number, because the mean of its divisors is an integer number (130753512).

Almost surely, 2^1016971690 is an apocalyptic number.

1016971690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1016971690 is an abundant number, since it is smaller than the sum of its proper divisors (1075084502).

1016971690 is a wasteful number, since it uses less digits than its factorization.

1016971690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14528181.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 1016971690 is about 31889.9935716519. The cubic root of 1016971690 is about 1005.6255241354.

The spelling of 1016971690 in words is "one billion, sixteen million, nine hundred seventy-one thousand, six hundred ninety".