162270165690 has 48 divisors (see below), whose sum is σ = 422520310368. Its totient is φ = 43208671968.

The previous prime is 162270165683. The next prime is 162270165691. The reversal of 162270165690 is 96561072261.

162270165690 is a `hidden beast` number, since 1 + 6 + 2 + 2 + 70 + 16 + 569 + 0 = 666.

It is a super-2 number, since 2×162270165690² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (162270165691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1258444 + ... + 1381383.

It is an arithmetic number, because the mean of its divisors is an integer number (8802506466).

Almost surely, 2^162270165690 is an apocalyptic number.

162270165690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162270165690 is an abundant number, since it is smaller than the sum of its proper divisors (260250144678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162270165690 is a wasteful number, since it uses less digits than its factorization.

162270165690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640523 (or 2640520 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 162270165690 in words is "one hundred sixty-two billion, two hundred seventy million, one hundred sixty-five thousand, six hundred ninety".