1612447851 has 12 divisors (see below), whose sum is σ = 2500939752. Its totient is φ = 921398688.

The previous prime is 1612447829. The next prime is 1612447891. The reversal of 1612447851 is 1587442161.

It is not a de Polignac number, because 1612447851 - 2⁵ = 1612447819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1612447801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5484370 + ... + 5484663.

It is an arithmetic number, because the mean of its divisors is an integer number (208411646).

Almost surely, 2^1612447851 is an apocalyptic number.

1612447851 is a deficient number, since it is larger than the sum of its proper divisors (888491901).

1612447851 is a wasteful number, since it uses less digits than its factorization.

1612447851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10969050 (or 10969043 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 1612447851 is about 40155.2966742869. The cubic root of 1612447851 is about 1172.6324080067.

The spelling of 1612447851 in words is "one billion, six hundred twelve million, four hundred forty-seven thousand, eight hundred fifty-one".