1361253667608 has 64 divisors (see below), whose sum is σ = 3785411404800. Its totient is φ = 453253076640.

The previous prime is 1361253667607. The next prime is 1361253667621. The reversal of 1361253667608 is 8067663521631.

1361253667608 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 25 + 3 + 6 + 6 + 7 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361253667607) 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, 3262116 + ... + 3655667.

It is an arithmetic number, because the mean of its divisors is an integer number (59147053200).

Almost surely, 2^{1361253667608} is an apocalyptic number.

1361253667608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1361253667608 is an abundant number, since it is smaller than the sum of its proper divisors (2424157737192).

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

1361253667608 is a wasteful number, since it uses less digits than its factorization.

1361253667608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918709 (or 6918699 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 1361253667608 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-three million, six hundred sixty-seven thousand, six hundred eight".