1612168988 has 12 divisors (see below), whose sum is σ = 2843511552. Its totient is φ = 799737120.

The previous prime is 1612168979. The next prime is 1612168993. The reversal of 1612168988 is 8898612161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586273 + ... + 1587288.

It is an arithmetic number, because the mean of its divisors is an integer number (236959296).

Almost surely, 2^1612168988 is an apocalyptic number.

It is an amenable number.

1612168988 is a deficient number, since it is larger than the sum of its proper divisors (1231342564).

1612168988 is a wasteful number, since it uses less digits than its factorization.

1612168988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173692 (or 3173690 counting only the distinct ones).

The product of its digits is 331776, while the sum is 50.

The square root of 1612168988 is about 40151.8242175869. The cubic root of 1612168988 is about 1172.5648042402.

The spelling of 1612168988 in words is "one billion, six hundred twelve million, one hundred sixty-eight thousand, nine hundred eighty-eight".