164653261650615 has 16 divisors (see below), whose sum is σ = 265907323490688. Its totient is φ = 86994371263776.

The previous prime is 164653261650613. The next prime is 164653261650617. The reversal of 164653261650615 is 516056162356461.

It is an interprime number because it is at equal distance from previous prime (164653261650613) and next prime (164653261650617).

It is not a de Polignac number, because 164653261650615 - 2¹ = 164653261650613 is a prime.

It is a super-2 number, since 2×164653261650615² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164653261650613) 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, 51293849377 + ... + 51293852586.

It is an arithmetic number, because the mean of its divisors is an integer number (16619207718168).

Almost surely, 2^{164653261650615} is an apocalyptic number.

164653261650615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164653261650615 is a deficient number, since it is larger than the sum of its proper divisors (101254061840073).

164653261650615 is a wasteful number, since it uses less digits than its factorization.

164653261650615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102587702078.

The product of its (nonzero) digits is 23328000, while the sum is 57.

The spelling of 164653261650615 in words is "one hundred sixty-four trillion, six hundred fifty-three billion, two hundred sixty-one million, six hundred fifty thousand, six hundred fifteen".