1353156661646 has 16 divisors (see below), whose sum is σ = 2035257488784. Its totient is φ = 674739175104.

The previous prime is 1353156661583. The next prime is 1353156661663. The reversal of 1353156661646 is 6461666513531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200626 + ... + 2036618.

It is an arithmetic number, because the mean of its divisors is an integer number (127203593049).

Almost surely, 2^{1353156661646} is an apocalyptic number.

1353156661646 is a deficient number, since it is larger than the sum of its proper divisors (682100827138).

1353156661646 is a wasteful number, since it uses less digits than its factorization.

1353156661646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838195.

The product of its digits is 6998400, while the sum is 53.

The spelling of 1353156661646 in words is "one trillion, three hundred fifty-three billion, one hundred fifty-six million, six hundred sixty-one thousand, six hundred forty-six".