1720016264 has 16 divisors (see below), whose sum is σ = 3256963020. Its totient is φ = 851492800.

The previous prime is 1720016257. The next prime is 1720016273. The reversal of 1720016264 is 4626100271.

It can be written as a sum of positive squares in 2 ways, for example, as 1708168900 + 11847364 = 41330^2 + 3442^2 .

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, 1063559 + ... + 1065174.

Almost surely, 2^1720016264 is an apocalyptic number.

It is an amenable number.

1720016264 is a deficient number, since it is larger than the sum of its proper divisors (1536946756).

1720016264 is a wasteful number, since it uses less digits than its factorization.

1720016264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128840 (or 2128836 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1720016264 is about 41473.0787861234. The cubic root of 1720016264 is about 1198.1490594467.

The spelling of 1720016264 in words is "one billion, seven hundred twenty million, sixteen thousand, two hundred sixty-four".