61677120262220 has 12 divisors (see below), whose sum is σ = 129521952550704. Its totient is φ = 24670848104880.

The previous prime is 61677120262217. The next prime is 61677120262223. The reversal of 61677120262220 is 2226202177616.

It is an interprime number because it is at equal distance from previous prime (61677120262217) and next prime (61677120262223).

It is not an unprimeable number, because it can be changed into a prime (61677120262223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541928006536 + ... + 1541928006575.

It is an arithmetic number, because the mean of its divisors is an integer number (10793496045892).

Almost surely, 2^{61677120262220} is an apocalyptic number.

It is an amenable number.

61677120262220 is an abundant number, since it is smaller than the sum of its proper divisors (67844832288484).

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

61677120262220 is a wasteful number, since it uses less digits than its factorization.

61677120262220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083856013120 (or 3083856013118 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 61677120262220 in words is "sixty-one trillion, six hundred seventy-seven billion, one hundred twenty million, two hundred sixty-two thousand, two hundred twenty".