165151137059 has 4 divisors (see below), whose sum is σ = 165283365000. Its totient is φ = 165018909120.

The previous prime is 165151137043. The next prime is 165151137077. The reversal of 165151137059 is 950731151561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165151137059 - 2⁴ = 165151137043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165151137079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66112097 + ... + 66114594.

It is an arithmetic number, because the mean of its divisors is an integer number (41320841250).

Almost surely, 2^165151137059 is an apocalyptic number.

165151137059 is a deficient number, since it is larger than the sum of its proper divisors (132227941).

165151137059 is a wasteful number, since it uses less digits than its factorization.

165151137059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132227940.

The product of its (nonzero) digits is 141750, while the sum is 44.

The spelling of 165151137059 in words is "one hundred sixty-five billion, one hundred fifty-one million, one hundred thirty-seven thousand, fifty-nine".