61020682410 has 64 divisors (see below), whose sum is σ = 151266216960. Its totient is φ = 15737648640.

The previous prime is 61020682403. The next prime is 61020682493. The reversal of 61020682410 is 1428602016.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1570174 + ... + 1608566.

It is an arithmetic number, because the mean of its divisors is an integer number (2363534640).

Almost surely, 2^61020682410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61020682410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75633108480).

61020682410 is an abundant number, since it is smaller than the sum of its proper divisors (90245534550).

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

61020682410 is a wasteful number, since it uses less digits than its factorization.

61020682410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40143.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 61020682410 in words is "sixty-one billion, twenty million, six hundred eighty-two thousand, four hundred ten".