165382038950 has 12 divisors (see below), whose sum is σ = 307610592540. Its totient is φ = 66152815560.

The previous prime is 165382038923. The next prime is 165382038953. The reversal of 165382038950 is 59830283561.

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 3307640779 = 165382038950 / (1 + 6 + 5 + 3 + 8 + 2 + 0 + 3 + 8 + 9 + 5 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165382038953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1653820340 + ... + 1653820439.

It is an arithmetic number, because the mean of its divisors is an integer number (25634216045).

Almost surely, 2^165382038950 is an apocalyptic number.

165382038950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165382038950 is a deficient number, since it is larger than the sum of its proper divisors (142228553590).

165382038950 is a wasteful number, since it uses less digits than its factorization.

165382038950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307640791 (or 3307640786 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 165382038950 in words is "one hundred sixty-five billion, three hundred eighty-two million, thirty-eight thousand, nine hundred fifty".