165145651262514 has 48 divisors (see below), whose sum is σ = 387703901212992. Its totient is φ = 50502303913824.

The previous prime is 165145651262491. The next prime is 165145651262549. The reversal of 165145651262514 is 415262156541561.

165145651262514 is a `hidden beast` number, since 1 + 6 + 5 + 1 + 4 + 5 + 6 + 5 + 1 + 2 + 625 + 1 + 4 = 666.

165145651262514 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165145651262514² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2164841142 + ... + 2164917425.

It is an arithmetic number, because the mean of its divisors is an integer number (8077164608604).

Almost surely, 2^{165145651262514} is an apocalyptic number.

165145651262514 is an abundant number, since it is smaller than the sum of its proper divisors (222558249950478).

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

165145651262514 is a wasteful number, since it uses less digits than its factorization.

165145651262514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329758751 (or 4329758748 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 54.

The spelling of 165145651262514 in words is "one hundred sixty-five trillion, one hundred forty-five billion, six hundred fifty-one million, two hundred sixty-two thousand, five hundred fourteen".