1361403660610 has 32 divisors (see below), whose sum is σ = 2876293762560. Its totient is φ = 454151644992.

The previous prime is 1361403660599. The next prime is 1361403660629. The reversal of 1361403660610 is 160663041631.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 1361403660610.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262816650 + ... + 262821829.

It is an arithmetic number, because the mean of its divisors is an integer number (89884180080).

Almost surely, 2^{1361403660610} is an apocalyptic number.

1361403660610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361403660610 is an abundant number, since it is smaller than the sum of its proper divisors (1514890101950).

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

1361403660610 is a wasteful number, since it uses less digits than its factorization.

1361403660610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525638530.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 1361403660610 in words is "one trillion, three hundred sixty-one billion, four hundred three million, six hundred sixty thousand, six hundred ten".