1613423272 has 32 divisors (see below), whose sum is σ = 3128256000. Its totient is φ = 779313600.

The previous prime is 1613423261. The next prime is 1613423293. The reversal of 1613423272 is 2723243161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143122 + ... + 153982.

It is an arithmetic number, because the mean of its divisors is an integer number (97758000).

Almost surely, 2^1613423272 is an apocalyptic number.

It is an amenable number.

1613423272 is a deficient number, since it is larger than the sum of its proper divisors (1514832728).

1613423272 is a wasteful number, since it uses less digits than its factorization.

1613423272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11497 (or 11493 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 1613423272 is about 40167.4404462122. The cubic root of 1613423272 is about 1172.8688145589.

The spelling of 1613423272 in words is "one billion, six hundred thirteen million, four hundred twenty-three thousand, two hundred seventy-two".