142161632066220 has 384 divisors, whose sum is σ = 466272604277760. Its totient is φ = 32057957191680.

The previous prime is 142161632066147. The next prime is 142161632066261. The reversal of 142161632066220 is 22660236161241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 88584150 + ... + 90174690.

It is an arithmetic number, because the mean of its divisors is an integer number (1214251573640).

Almost surely, 2^{142161632066220} is an apocalyptic number.

142161632066220 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 142161632066220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233136302138880).

142161632066220 is an abundant number, since it is smaller than the sum of its proper divisors (324110972211540).

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

142161632066220 is a wasteful number, since it uses less digits than its factorization.

142161632066220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590785 (or 1590783 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 142161632066220 in words is "one hundred forty-two trillion, one hundred sixty-one billion, six hundred thirty-two million, sixty-six thousand, two hundred twenty".