1601494688 has 24 divisors (see below), whose sum is σ = 3168799200. Its totient is φ = 796720320.

The previous prime is 1601494651. The next prime is 1601494691. The reversal of 1601494688 is 8864941061.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119378 + ... + 132113.

It is an arithmetic number, because the mean of its divisors is an integer number (132033300).

Almost surely, 2^1601494688 is an apocalyptic number.

It is an amenable number.

1601494688 is a deficient number, since it is larger than the sum of its proper divisors (1567304512).

1601494688 is a wasteful number, since it uses less digits than its factorization.

1601494688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251700 (or 251692 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 1601494688 is about 40018.6792385756. The cubic root of 1601494688 is about 1169.9711897842.

The spelling of 1601494688 in words is "one billion, six hundred one million, four hundred ninety-four thousand, six hundred eighty-eight".