162641385 has 32 divisors (see below), whose sum is σ = 295303680. Its totient is φ = 84893184.

The previous prime is 162641377. The next prime is 162641393. The reversal of 162641385 is 583146261.

It is a happy number.

162641385 is a `hidden beast` number, since 1 + 6 + 2 + 641 + 3 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (162641377) and next prime (162641393).

It is not a de Polignac number, because 162641385 - 2³ = 162641377 is a prime.

It is a super-2 number, since 2×162641385² = 52904440229436450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6472 + ... + 19161.

It is an arithmetic number, because the mean of its divisors is an integer number (9228240).

Almost surely, 2^162641385 is an apocalyptic number.

162641385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162641385 is a deficient number, since it is larger than the sum of its proper divisors (132662295).

162641385 is a wasteful number, since it uses less digits than its factorization.

162641385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25694 (or 25688 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 162641385 is about 12753.0931542116. The cubic root of 162641385 is about 545.8546588150.

The spelling of 162641385 in words is "one hundred sixty-two million, six hundred forty-one thousand, three hundred eighty-five".