132161445266620 has 576 divisors, whose sum is σ = 358200609056640. Its totient is φ = 40498259558400.

The previous prime is 132161445266579. The next prime is 132161445266647. The reversal of 132161445266620 is 26662544161231.

It is a super-2 number, since 2×132161445266620² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 180302107774 + ... + 180302108506.

It is an arithmetic number, because the mean of its divisors is an integer number (621876057390).

Almost surely, 2^{132161445266620} is an apocalyptic number.

132161445266620 is a gapful number since it is divisible by the number (10) 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 132161445266620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179100304528320).

132161445266620 is an abundant number, since it is smaller than the sum of its proper divisors (226039163790020).

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

132161445266620 is a wasteful number, since it uses less digits than its factorization.

132161445266620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 132161445266620 in words is "one hundred thirty-two trillion, one hundred sixty-one billion, four hundred forty-five million, two hundred sixty-six thousand, six hundred twenty".