165151510253016 has 64 divisors (see below), whose sum is σ = 471865049510400. Its totient is φ = 47185786622208.

The previous prime is 165151510253011. The next prime is 165151510253029. The reversal of 165151510253016 is 610352015151561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165151510253011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18798781 + ... + 26147603.

It is an arithmetic number, because the mean of its divisors is an integer number (7372891398600).

Almost surely, 2^{165151510253016} is an apocalyptic number.

It is an amenable number.

165151510253016 is an abundant number, since it is smaller than the sum of its proper divisors (306713539257384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165151510253016 is a wasteful number, since it uses less digits than its factorization.

165151510253016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482608 (or 7482604 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 165151510253016 in words is "one hundred sixty-five trillion, one hundred fifty-one billion, five hundred ten million, two hundred fifty-three thousand, sixteen".