164629622070 has 160 divisors (see below), whose sum is σ = 458667982080. Its totient is φ = 42325390080.

The previous prime is 164629622033. The next prime is 164629622071. The reversal of 164629622070 is 70226926461.

164629622070 is a `hidden beast` number, since 16 + 4 + 6 + 2 + 9 + 622 + 0 + 7 + 0 = 666.

It is a super-2 number, since 2×164629622070² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164629622071) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6742404 + ... + 6766776.

It is an arithmetic number, because the mean of its divisors is an integer number (2866674888).

Almost surely, 2^164629622070 is an apocalyptic number.

164629622070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164629622070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229333991040).

164629622070 is an abundant number, since it is smaller than the sum of its proper divisors (294038360010).

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

164629622070 is a wasteful number, since it uses less digits than its factorization.

164629622070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24692 (or 24683 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 164629622070 in words is "one hundred sixty-four billion, six hundred twenty-nine million, six hundred twenty-two thousand, seventy".