1656941115149 has 8 divisors (see below), whose sum is σ = 1661207515968. Its totient is φ = 1652679486720.

The previous prime is 1656941115133. The next prime is 1656941115163. The reversal of 1656941115149 is 9415111496561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1656941115149 - 2⁴ = 1656941115133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1656941115149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656941115749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497297 + ... + 1887110.

It is an arithmetic number, because the mean of its divisors is an integer number (207650939496).

Almost surely, 2^{1656941115149} is an apocalyptic number.

It is an amenable number.

1656941115149 is a deficient number, since it is larger than the sum of its proper divisors (4266400819).

1656941115149 is a wasteful number, since it uses less digits than its factorization.

1656941115149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386195.

The product of its digits is 1166400, while the sum is 53.

The spelling of 1656941115149 in words is "one trillion, six hundred fifty-six billion, nine hundred forty-one million, one hundred fifteen thousand, one hundred forty-nine".