1613693960 has 16 divisors (see below), whose sum is σ = 3630811500. Its totient is φ = 645477568.

The previous prime is 1613693957. The next prime is 1613694013. The reversal of 1613693960 is 693963161.

It can be written as a sum of positive squares in 2 ways, for example, as 1612343716 + 1350244 = 40154^2 + 1162^2 .

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, 20171135 + ... + 20171214.

Almost surely, 2^1613693960 is an apocalyptic number.

1613693960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613693960 is an abundant number, since it is smaller than the sum of its proper divisors (2017117540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1613693960 is a wasteful number, since it uses less digits than its factorization.

1613693960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40342360 (or 40342356 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 1613693960 is about 40170.8098001521. The cubic root of 1613693960 is about 1172.9344025886.

The spelling of 1613693960 in words is "one billion, six hundred thirteen million, six hundred ninety-three thousand, nine hundred sixty".