1366165970 has 32 divisors (see below), whose sum is σ = 2733696000. Its totient is φ = 488157120.

The previous prime is 1366165963. The next prime is 1366165991. The reversal of 1366165970 is 795616631.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165470 + ... + 173529.

It is an arithmetic number, because the mean of its divisors is an integer number (85428000).

Almost surely, 2^1366165970 is an apocalyptic number.

1366165970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1366165970 is an abundant number, since it is smaller than the sum of its proper divisors (1367530030).

1366165970 is a wasteful number, since it uses less digits than its factorization.

1366165970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339050.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1366165970 is about 36961.6824562952. The cubic root of 1366165970 is about 1109.6035079855.

The spelling of 1366165970 in words is "one billion, three hundred sixty-six million, one hundred sixty-five thousand, nine hundred seventy".