165796470 has 216 divisors, whose sum is σ = 539916624. Its totient is φ = 35901792.

The previous prime is 165796459. The next prime is 165796471. The reversal of 165796470 is 74697561.

It is a happy number.

165796470 is a `hidden beast` number, since 1 + 6 + 579 + 6 + 4 + 70 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165796471) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 8726121 + ... + 8726139.

It is an arithmetic number, because the mean of its divisors is an integer number (2499614).

Almost surely, 2^165796470 is an apocalyptic number.

165796470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 165796470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269958312).

165796470 is an abundant number, since it is smaller than the sum of its proper divisors (374120154).

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

165796470 is an frugal number, since it uses more digits than its factorization.

165796470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 165796470 is about 12876.1978083594. The cubic root of 165796470 is about 549.3617610294.

The spelling of 165796470 in words is "one hundred sixty-five million, seven hundred ninety-six thousand, four hundred seventy".