1165023490 has 16 divisors (see below), whose sum is σ = 2116642752. Its totient is φ = 461653744.

The previous prime is 1165023473. The next prime is 1165023521. The reversal of 1165023490 is 943205611.

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, 543334 + ... + 545473.

It is an arithmetic number, because the mean of its divisors is an integer number (132290172).

Almost surely, 2^1165023490 is an apocalyptic number.

1165023490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165023490 is a deficient number, since it is larger than the sum of its proper divisors (951619262).

1165023490 is a wasteful number, since it uses less digits than its factorization.

1165023490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088921.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1165023490 is about 34132.4404342848. The cubic root of 1165023490 is about 1052.2321343142.

The spelling of 1165023490 in words is "one billion, one hundred sixty-five million, twenty-three thousand, four hundred ninety".