3661261033710 has 128 divisors (see below), whose sum is σ = 10261168128000. Its totient is φ = 818639996544.

The previous prime is 3661261033693. The next prime is 3661261033711. The reversal of 3661261033710 is 173301621663.

3661261033710 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661261033711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19637347 + ... + 19822913.

It is an arithmetic number, because the mean of its divisors is an integer number (80165376000).

Almost surely, 2^{3661261033710} is an apocalyptic number.

3661261033710 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3661261033710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5130584064000).

3661261033710 is an abundant number, since it is smaller than the sum of its proper divisors (6599907094290).

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

3661261033710 is a wasteful number, since it uses less digits than its factorization.

3661261033710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187630.

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 3661261033710 in words is "three trillion, six hundred sixty-one billion, two hundred sixty-one million, thirty-three thousand, seven hundred ten".