164926866432 has 88 divisors (see below), whose sum is σ = 439741387296. Its totient is φ = 54956720128.

The previous prime is 164926866431. The next prime is 164926866437. The reversal of 164926866432 is 234668629461.

It is a super-3 number, since 3×164926866432³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164926866431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11104003 + ... + 11118845.

Almost surely, 2^164926866432 is an apocalyptic number.

164926866432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164926866432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219870693648).

164926866432 is an abundant number, since it is smaller than the sum of its proper divisors (274814520864).

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

164926866432 is a wasteful number, since it uses less digits than its factorization.

164926866432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18483 (or 18465 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 57.

The spelling of 164926866432 in words is "one hundred sixty-four billion, nine hundred twenty-six million, eight hundred sixty-six thousand, four hundred thirty-two".