1465816690 has 32 divisors (see below), whose sum is σ = 2869042176. Its totient is φ = 535965120.

The previous prime is 1465816669. The next prime is 1465816691. The reversal of 1465816690 is 966185641.

It is a super-2 number, since 2×1465816690² = 4297237137365112200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1465816690.

It is not an unprimeable number, because it can be changed into a prime (1465816691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41346 + ... + 68125.

It is an arithmetic number, because the mean of its divisors is an integer number (89657568).

Almost surely, 2^1465816690 is an apocalyptic number.

1465816690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1465816690 is a deficient number, since it is larger than the sum of its proper divisors (1403225486).

1465816690 is a wasteful number, since it uses less digits than its factorization.

1465816690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109594.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 1465816690 is about 38285.9855560752. The cubic root of 1465816690 is about 1135.9517565515.

The spelling of 1465816690 in words is "one billion, four hundred sixty-five million, eight hundred sixteen thousand, six hundred ninety".