1660611166522 has 64 divisors (see below), whose sum is σ = 3227874416640. Its totient is φ = 621720388800.

The previous prime is 1660611166519. The next prime is 1660611166531. The reversal of 1660611166522 is 2256611160661.

It is a super-2 number, since 2×1660611166522² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61203 + ... + 1823449.

It is an arithmetic number, because the mean of its divisors is an integer number (50435537760).

Almost surely, 2^{1660611166522} is an apocalyptic number.

1660611166522 is a deficient number, since it is larger than the sum of its proper divisors (1567263250118).

1660611166522 is a wasteful number, since it uses less digits than its factorization.

1660611166522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762507.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 1660611166522 in words is "one trillion, six hundred sixty billion, six hundred eleven million, one hundred sixty-six thousand, five hundred twenty-two".