1662898412 has 24 divisors (see below), whose sum is σ = 3326910720. Its totient is φ = 712432080.

The previous prime is 1662898379. The next prime is 1662898427. The reversal of 1662898412 is 2148982661.

It is a super-2 number, since 2×1662898412² = 5530462257264243488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94337 + ... + 110567.

It is an arithmetic number, because the mean of its divisors is an integer number (138621280).

Almost surely, 2^1662898412 is an apocalyptic number.

It is an amenable number.

1662898412 is an abundant number, since it is smaller than the sum of its proper divisors (1664012308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1662898412 is a wasteful number, since it uses less digits than its factorization.

1662898412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19901 (or 19899 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 1662898412 is about 40778.6514244893. The cubic root of 1662898412 is about 1184.7368752370.

The spelling of 1662898412 in words is "one billion, six hundred sixty-two million, eight hundred ninety-eight thousand, four hundred twelve".