162949646 has 4 divisors (see below), whose sum is σ = 244424472. Its totient is φ = 81474822.

The previous prime is 162949639. The next prime is 162949669. The reversal of 162949646 is 646949261.

162949646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 162949646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40737410 + ... + 40737413.

It is an arithmetic number, because the mean of its divisors is an integer number (61106118).

Almost surely, 2^162949646 is an apocalyptic number.

162949646 is a deficient number, since it is larger than the sum of its proper divisors (81474826).

162949646 is an equidigital number, since it uses as much as digits as its factorization.

162949646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81474825.

The product of its digits is 559872, while the sum is 47.

The square root of 162949646 is about 12765.1731676464. The cubic root of 162949646 is about 546.1993015347.

The spelling of 162949646 in words is "one hundred sixty-two million, nine hundred forty-nine thousand, six hundred forty-six".