3661012625460 has 48 divisors (see below), whose sum is σ = 10251498832512. Its totient is φ = 976206844800.

The previous prime is 3661012625423. The next prime is 3661012625461. The reversal of 3661012625460 is 645262101663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661012625461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036231 + ... + 2897550.

It is an arithmetic number, because the mean of its divisors is an integer number (213572892344).

Almost surely, 2^{3661012625460} is an apocalyptic number.

3661012625460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3661012625460 is an abundant number, since it is smaller than the sum of its proper divisors (6590486207052).

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

3661012625460 is a wasteful number, since it uses less digits than its factorization.

3661012625460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949304 (or 3949302 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 3661012625460 in words is "three trillion, six hundred sixty-one billion, twelve million, six hundred twenty-five thousand, four hundred sixty".