164965626539436 has 12 divisors (see below), whose sum is σ = 384919795258712. Its totient is φ = 54988542179808.

The previous prime is 164965626539423. The next prime is 164965626539449. The reversal of 164965626539436 is 634935626569461.

It is an interprime number because it is at equal distance from previous prime (164965626539423) and next prime (164965626539449).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×164965626539436² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6873567772465 + ... + 6873567772488.

Almost surely, 2^{164965626539436} is an apocalyptic number.

It is an amenable number.

164965626539436 is an abundant number, since it is smaller than the sum of its proper divisors (219954168719276).

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

164965626539436 is a wasteful number, since it uses less digits than its factorization.

164965626539436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13747135544960 (or 13747135544958 counting only the distinct ones).

The product of its digits is 4534963200, while the sum is 75.

The spelling of 164965626539436 in words is "one hundred sixty-four trillion, nine hundred sixty-five billion, six hundred twenty-six million, five hundred thirty-nine thousand, four hundred thirty-six".