1612251164 has 6 divisors (see below), whose sum is σ = 2821439544. Its totient is φ = 806125580.

The previous prime is 1612251163. The next prime is 1612251181. The reversal of 1612251164 is 4611522161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612251161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201531392 + ... + 201531399.

It is an arithmetic number, because the mean of its divisors is an integer number (470239924).

Almost surely, 2^1612251164 is an apocalyptic number.

It is an amenable number.

1612251164 is a deficient number, since it is larger than the sum of its proper divisors (1209188380).

1612251164 is a wasteful number, since it uses less digits than its factorization.

1612251164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403062795 (or 403062793 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 1612251164 is about 40152.8475204437. The cubic root of 1612251164 is about 1172.5847266861.

The spelling of 1612251164 in words is "one billion, six hundred twelve million, two hundred fifty-one thousand, one hundred sixty-four".