1612133442 has 24 divisors (see below), whose sum is σ = 3622325616. Its totient is φ = 537377652.

The previous prime is 1612133441. The next prime is 1612133449. The reversal of 1612133442 is 2443312161.

It is a happy number.

1612133442 is a `hidden beast` number, since 1 + 6 + 1 + 213 + 3 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1612133441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1658088 + ... + 1659059.

It is an arithmetic number, because the mean of its divisors is an integer number (150930234).

Almost surely, 2^1612133442 is an apocalyptic number.

1612133442 is an abundant number, since it is smaller than the sum of its proper divisors (2010192174).

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

1612133442 is an equidigital number, since it uses as much as digits as its factorization.

1612133442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317164 (or 3317152 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1612133442 is about 40151.3815702523. The cubic root of 1612133442 is about 1172.5561863895.

The spelling of 1612133442 in words is "one billion, six hundred twelve million, one hundred thirty-three thousand, four hundred forty-two".