3165405474 has 128 divisors (see below), whose sum is σ = 8627503104. Its totient is φ = 748800000.

The previous prime is 3165405449. The next prime is 3165405479. The reversal of 3165405474 is 4745045613.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3165405479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 236974 + ... + 249974.

It is an arithmetic number, because the mean of its divisors is an integer number (67402368).

Almost surely, 2^3165405474 is an apocalyptic number.

3165405474 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3165405474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4313751552).

3165405474 is an abundant number, since it is smaller than the sum of its proper divisors (5462097630).

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

3165405474 is a wasteful number, since it uses less digits than its factorization.

3165405474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13072.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 3165405474 is about 56261.9362802241. The cubic root of 3165405474 is about 1468.2830423481.

The spelling of 3165405474 in words is "three billion, one hundred sixty-five million, four hundred five thousand, four hundred seventy-four".