1612771268 has 6 divisors (see below), whose sum is σ = 2822349726. Its totient is φ = 806385632.

The previous prime is 1612771231. The next prime is 1612771289. The reversal of 1612771268 is 8621772161.

It can be written as a sum of positive squares in only one way, i.e., 1102372804 + 510398464 = 33202^2 + 22592^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201596405 + ... + 201596412.

It is an arithmetic number, because the mean of its divisors is an integer number (470391621).

Almost surely, 2^1612771268 is an apocalyptic number.

It is an amenable number.

1612771268 is a deficient number, since it is larger than the sum of its proper divisors (1209578458).

1612771268 is a wasteful number, since it uses less digits than its factorization.

1612771268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403192821 (or 403192819 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 1612771268 is about 40159.3235500799. The cubic root of 1612771268 is about 1172.7108030800.

The spelling of 1612771268 in words is "one billion, six hundred twelve million, seven hundred seventy-one thousand, two hundred sixty-eight".