165158865034 has 8 divisors (see below), whose sum is σ = 253499653440. Its totient is φ = 80658980556.

The previous prime is 165158865019. The next prime is 165158865059. The reversal of 165158865034 is 430568851561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960225874 + ... + 960226045.

It is an arithmetic number, because the mean of its divisors is an integer number (31687456680).

Almost surely, 2^165158865034 is an apocalyptic number.

165158865034 is a deficient number, since it is larger than the sum of its proper divisors (88340788406).

165158865034 is a wasteful number, since it uses less digits than its factorization.

165158865034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920451964.

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 165158865034 in words is "one hundred sixty-five billion, one hundred fifty-eight million, eight hundred sixty-five thousand, thirty-four".