165293740814 has 16 divisors (see below), whose sum is σ = 262746151920. Its totient is φ = 77850709440.

The previous prime is 165293740783. The next prime is 165293740819. The reversal of 165293740814 is 418047392561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165293740819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34752404 + ... + 34757159.

It is an arithmetic number, because the mean of its divisors is an integer number (16421634495).

It is a 1-persistent number, because it is pandigital, but 2⋅165293740814 = 330587481628 is not.

Almost surely, 2^165293740814 is an apocalyptic number.

165293740814 is a deficient number, since it is larger than the sum of its proper divisors (97452411106).

165293740814 is a wasteful number, since it uses less digits than its factorization.

165293740814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69509635.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 165293740814 in words is "one hundred sixty-five billion, two hundred ninety-three million, seven hundred forty thousand, eight hundred fourteen".