1660620622 has 32 divisors (see below), whose sum is σ = 2713544064. Its totient is φ = 759091200.

The previous prime is 1660620601. The next prime is 1660620713. The reversal of 1660620622 is 2260260661.

It is a congruent number.

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, 333483 + ... + 338425.

It is an arithmetic number, because the mean of its divisors is an integer number (84798252).

Almost surely, 2^1660620622 is an apocalyptic number.

1660620622 is a deficient number, since it is larger than the sum of its proper divisors (1052923442).

1660620622 is a wasteful number, since it uses less digits than its factorization.

1660620622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1660620622 is about 40750.7131471340. The cubic root of 1660620622 is about 1184.1956886613.

The spelling of 1660620622 in words is "one billion, six hundred sixty million, six hundred twenty thousand, six hundred twenty-two".