162641965 has 16 divisors (see below), whose sum is σ = 202461696. Its totient is φ = 125294400.

The previous prime is 162641959. The next prime is 162641977. The reversal of 162641965 is 569146261.

It is a happy number.

162641965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 162641965 - 2¹³ = 162633773 is a prime.

It is a super-2 number, since 2×162641965² = 52904817558122450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 30219 + ... + 35191.

It is an arithmetic number, because the mean of its divisors is an integer number (12653856).

Almost surely, 2^162641965 is an apocalyptic number.

It is an amenable number.

162641965 is a deficient number, since it is larger than the sum of its proper divisors (39819731).

162641965 is a wasteful number, since it uses less digits than its factorization.

162641965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220.

The product of its digits is 77760, while the sum is 40.

The square root of 162641965 is about 12753.1158937728. The cubic root of 162641965 is about 545.8553076767.

The spelling of 162641965 in words is "one hundred sixty-two million, six hundred forty-one thousand, nine hundred sixty-five".