164415115642115 has 32 divisors (see below), whose sum is σ = 213309392042880. Its totient is φ = 120937586144256.

The previous prime is 164415115642111. The next prime is 164415115642117. The reversal of 164415115642115 is 511246511514461.

It is a cyclic number.

It is not a de Polignac number, because 164415115642115 - 2² = 164415115642111 is a prime.

It is a super-3 number, since 3×164415115642115³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 164415115642115.

It is not an unprimeable number, because it can be changed into a prime (164415115642111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82824674 + ... + 84786536.

It is an arithmetic number, because the mean of its divisors is an integer number (6665918501340).

Almost surely, 2^{164415115642115} is an apocalyptic number.

164415115642115 is a deficient number, since it is larger than the sum of its proper divisors (48894276400765).

164415115642115 is a wasteful number, since it uses less digits than its factorization.

164415115642115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966943.

The product of its digits is 576000, while the sum is 47.

The spelling of 164415115642115 in words is "one hundred sixty-four trillion, four hundred fifteen billion, one hundred fifteen million, six hundred forty-two thousand, one hundred fifteen".