3920165734 has 16 divisors (see below), whose sum is σ = 5951890800. Its totient is φ = 1936243584.

The previous prime is 3920165719. The next prime is 3920165749. The reversal of 3920165734 is 4375610293.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3920165719) and next prime (3920165749).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191209 + ... + 210715.

It is an arithmetic number, because the mean of its divisors is an integer number (371993175).

Almost surely, 2^3920165734 is an apocalyptic number.

3920165734 is a deficient number, since it is larger than the sum of its proper divisors (2031725066).

3920165734 is a wasteful number, since it uses less digits than its factorization.

3920165734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20727.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 3920165734 is about 62611.2269006126. The cubic root of 3920165734 is about 1576.7692534467.

The spelling of 3920165734 in words is "three billion, nine hundred twenty million, one hundred sixty-five thousand, seven hundred thirty-four".