1613231552 has 28 divisors (see below), whose sum is σ = 3203515056. Its totient is φ = 806046720.

The previous prime is 1613231549. The next prime is 1613231563. The reversal of 1613231552 is 2551323161.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 91277 + ... + 107507.

It is an arithmetic number, because the mean of its divisors is an integer number (114411252).

Almost surely, 2^1613231552 is an apocalyptic number.

It is an amenable number.

1613231552 is a deficient number, since it is larger than the sum of its proper divisors (1590283504).

1613231552 is a wasteful number, since it uses less digits than its factorization.

1613231552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17796 (or 17786 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 1613231552 is about 40165.0538652695. The cubic root of 1613231552 is about 1172.8223561330.

The spelling of 1613231552 in words is "one billion, six hundred thirteen million, two hundred thirty-one thousand, five hundred fifty-two".