612791066 has 16 divisors (see below), whose sum is σ = 928531968. Its totient is φ = 303296400.

The previous prime is 612791017. The next prime is 612791117. The reversal of 612791066 is 660197216.

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 in 7 ways as a sum of consecutive naturals, for example, 76931 + ... + 84521.

It is an arithmetic number, because the mean of its divisors is an integer number (58033248).

Almost surely, 2^612791066 is an apocalyptic number.

612791066 is a deficient number, since it is larger than the sum of its proper divisors (315740902).

612791066 is a wasteful number, since it uses less digits than its factorization.

612791066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7997.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 612791066 is about 24754.6170642973. The cubic root of 612791066 is about 849.3841287313.

The spelling of 612791066 in words is "six hundred twelve million, seven hundred ninety-one thousand, sixty-six".