61162020411216 has 20 divisors (see below), whose sum is σ = 158001886062432. Its totient is φ = 20387340137056.

The previous prime is 61162020411211. The next prime is 61162020411241. The reversal of 61162020411216 is 61211402026116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61162020411211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637104379236 + ... + 637104379331.

Almost surely, 2^{61162020411216} is an apocalyptic number.

It is an amenable number.

61162020411216 is an abundant number, since it is smaller than the sum of its proper divisors (96839865651216).

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

61162020411216 is a wasteful number, since it uses less digits than its factorization.

61162020411216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274208758578 (or 1274208758572 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 61162020411216 in words is "sixty-one trillion, one hundred sixty-two billion, twenty million, four hundred eleven thousand, two hundred sixteen".