1612497372 has 48 divisors (see below), whose sum is σ = 3818495520. Its totient is φ = 529543168.

The previous prime is 1612497349. The next prime is 1612497373. The reversal of 1612497372 is 2737942161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612497373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310348 + ... + 315500.

It is an arithmetic number, because the mean of its divisors is an integer number (79551990).

Almost surely, 2^1612497372 is an apocalyptic number.

1612497372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1612497372 is an abundant number, since it is smaller than the sum of its proper divisors (2205998148).

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

1612497372 is a wasteful number, since it uses less digits than its factorization.

1612497372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542 (or 5540 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 1612497372 is about 40155.9132880825. The cubic root of 1612497372 is about 1172.6444123918.

The spelling of 1612497372 in words is "one billion, six hundred twelve million, four hundred ninety-seven thousand, three hundred seventy-two".