1646646162 has 32 divisors (see below), whose sum is σ = 3765092352. Its totient is φ = 470304144.

The previous prime is 1646646151. The next prime is 1646646179. The reversal of 1646646162 is 2616466461.

It is a super-2 number, since 2×1646646162² = 5422887165658660488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161673 + ... + 171555.

It is an arithmetic number, because the mean of its divisors is an integer number (117659136).

Almost surely, 2^1646646162 is an apocalyptic number.

1646646162 is an abundant number, since it is smaller than the sum of its proper divisors (2118446190).

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

1646646162 is a wasteful number, since it uses less digits than its factorization.

1646646162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13862.

The product of its digits is 248832, while the sum is 42.

The square root of 1646646162 is about 40578.8881316381. Note that the first 3 decimals coincide. The cubic root of 1646646162 is about 1180.8645779999.

The spelling of 1646646162 in words is "one billion, six hundred forty-six million, six hundred forty-six thousand, one hundred sixty-two".