162449902 has 8 divisors (see below), whose sum is σ = 244091736. Its totient is φ = 81085992.

The previous prime is 162449899. The next prime is 162449921. The reversal of 162449902 is 209944261.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68013 + ... + 70360.

It is an arithmetic number, because the mean of its divisors is an integer number (30511467).

Almost surely, 2^162449902 is an apocalyptic number.

162449902 is a deficient number, since it is larger than the sum of its proper divisors (81641834).

162449902 is a wasteful number, since it uses less digits than its factorization.

162449902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138962.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 162449902 is about 12745.5836272805. The cubic root of 162449902 is about 545.6403572019.

The spelling of 162449902 in words is "one hundred sixty-two million, four hundred forty-nine thousand, nine hundred two".