164415265623146 has 16 divisors (see below), whose sum is σ = 262821072155904. Its totient is φ = 76960337099184.

The previous prime is 164415265623121. The next prime is 164415265623223. The reversal of 164415265623146 is 641326562514461.

It is a happy number.

It is a super-3 number, since 3×164415265623146³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164415265623091 and 164415265623100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38023879805 + ... + 38023884128.

It is an arithmetic number, because the mean of its divisors is an integer number (16426317009744).

Almost surely, 2^{164415265623146} is an apocalyptic number.

164415265623146 is a deficient number, since it is larger than the sum of its proper divisors (98405806532758).

164415265623146 is a wasteful number, since it uses less digits than its factorization.

164415265623146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76047764005.

The product of its digits is 24883200, while the sum is 56.

The spelling of 164415265623146 in words is "one hundred sixty-four trillion, four hundred fifteen billion, two hundred sixty-five million, six hundred twenty-three thousand, one hundred forty-six".