1566314616442 has 32 divisors (see below), whose sum is σ = 2375600451840. Its totient is φ = 774497687040.

The previous prime is 1566314616439. The next prime is 1566314616473. The reversal of 1566314616442 is 2446164136651.

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, 76317142 + ... + 76337662.

It is an arithmetic number, because the mean of its divisors is an integer number (74237514120).

Almost surely, 2^{1566314616442} is an apocalyptic number.

1566314616442 is a deficient number, since it is larger than the sum of its proper divisors (809285835398).

1566314616442 is a wasteful number, since it uses less digits than its factorization.

1566314616442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21718.

The product of its digits is 2488320, while the sum is 49.

The spelling of 1566314616442 in words is "one trillion, five hundred sixty-six billion, three hundred fourteen million, six hundred sixteen thousand, four hundred forty-two".