1299579345662 has 16 divisors (see below), whose sum is σ = 2117898543600. Its totient is φ = 594497834112.

The previous prime is 1299579345557. The next prime is 1299579345697. The reversal of 1299579345662 is 2665439759921.

It is a junction number, because it is equal to n+sod(n) for n = 1299579345592 and 1299579345601.

It is a congruent number.

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, 221164412 + ... + 221170287.

It is an arithmetic number, because the mean of its divisors is an integer number (132368658975).

Almost surely, 2^{1299579345662} is an apocalyptic number.

1299579345662 is a deficient number, since it is larger than the sum of its proper divisors (818319197938).

1299579345662 is a wasteful number, since it uses less digits than its factorization.

1299579345662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442334827.

The product of its digits is 220449600, while the sum is 68.

The spelling of 1299579345662 in words is "one trillion, two hundred ninety-nine billion, five hundred seventy-nine million, three hundred forty-five thousand, six hundred sixty-two".