1612481885 has 8 divisors (see below), whose sum is σ = 2211403776. Its totient is φ = 1105701840.

The previous prime is 1612481881. The next prime is 1612481929. The reversal of 1612481885 is 5881842161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1612481885 - 2² = 1612481881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612481881) 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 7 ways as a sum of consecutive naturals, for example, 23035421 + ... + 23035490.

It is an arithmetic number, because the mean of its divisors is an integer number (276425472).

Almost surely, 2^1612481885 is an apocalyptic number.

It is an amenable number.

1612481885 is a deficient number, since it is larger than the sum of its proper divisors (598921891).

1612481885 is an equidigital number, since it uses as much as digits as its factorization.

1612481885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46070923.

The product of its digits is 122880, while the sum is 44.

The square root of 1612481885 is about 40155.7204517613. The cubic root of 1612481885 is about 1172.6406582147.

The spelling of 1612481885 in words is "one billion, six hundred twelve million, four hundred eighty-one thousand, eight hundred eighty-five".