1353040101661 has 32 divisors (see below), whose sum is σ = 1459687956480. Its totient is φ = 1251171510336.

The previous prime is 1353040101631. The next prime is 1353040101667. The reversal of 1353040101661 is 1661010403531.

It is a cyclic number.

It is not a de Polignac number, because 1353040101661 - 2²⁷ = 1352905883933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353040101667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55175575 + ... + 55200091.

It is an arithmetic number, because the mean of its divisors is an integer number (45615248640).

Almost surely, 2^{1353040101661} is an apocalyptic number.

It is an amenable number.

1353040101661 is a deficient number, since it is larger than the sum of its proper divisors (106647854819).

1353040101661 is a wasteful number, since it uses less digits than its factorization.

1353040101661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25273.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 1353040101661 in words is "one trillion, three hundred fifty-three billion, forty million, one hundred one thousand, six hundred sixty-one".