162661402 has 8 divisors (see below), whose sum is σ = 251862912. Its totient is φ = 78707100.

The previous prime is 162661393. The next prime is 162661403. The reversal of 162661402 is 204166261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (162661403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311724 + ... + 1311847.

It is an arithmetic number, because the mean of its divisors is an integer number (31482864).

Almost surely, 2^162661402 is an apocalyptic number.

162661402 is a deficient number, since it is larger than the sum of its proper divisors (89201510).

162661402 is a wasteful number, since it uses less digits than its factorization.

162661402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623604.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 162661402 is about 12753.8779200681. The cubic root of 162661402 is about 545.8770514848.

The spelling of 162661402 in words is "one hundred sixty-two million, six hundred sixty-one thousand, four hundred two".