1612612442 has 20 divisors (see below), whose sum is σ = 2821912266. Its totient is φ = 691117560.

The previous prime is 1612612433. The next prime is 1612612453. The reversal of 1612612442 is 2442162161.

It can be written as a sum of positive squares in only one way, i.e., 1571408881 + 41203561 = 39641^2 + 6419^2 .

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 163109 + ... + 172712.

Almost surely, 2^1612612442 is an apocalyptic number.

1612612442 is a deficient number, since it is larger than the sum of its proper divisors (1209299824).

1612612442 is an frugal number, since it uses more digits than its factorization.

1612612442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335851 (or 335830 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 1612612442 is about 40157.3460527461. The cubic root of 1612612442 is about 1172.6723055604.

The spelling of 1612612442 in words is "one billion, six hundred twelve million, six hundred twelve thousand, four hundred forty-two".