61983087210 has 48 divisors (see below), whose sum is σ = 175806577440. Its totient is φ = 15026202720.

The previous prime is 61983087197. The next prime is 61983087211. The reversal of 61983087210 is 1278038916.

61983087210 is a `hidden beast` number, since 619 + 8 + 3 + 0 + 8 + 7 + 21 + 0 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61983087211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31303600 + ... + 31305579.

It is an arithmetic number, because the mean of its divisors is an integer number (3662637030).

Almost surely, 2^61983087210 is an apocalyptic number.

61983087210 is an abundant number, since it is smaller than the sum of its proper divisors (113823490230).

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

61983087210 is a wasteful number, since it uses less digits than its factorization.

61983087210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62609203 (or 62609200 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 61983087210 in words is "sixty-one billion, nine hundred eighty-three million, eighty-seven thousand, two hundred ten".