9151664005655 has 4 divisors (see below), whose sum is σ = 10981996806792. Its totient is φ = 7321331204520.

The previous prime is 9151664005639. The next prime is 9151664005663. The reversal of 9151664005655 is 5565004661519.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9151664005655 - 2⁴ = 9151664005639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9151664005597 and 9151664005606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915166400561 + ... + 915166400570.

It is an arithmetic number, because the mean of its divisors is an integer number (2745499201698).

Almost surely, 2^{9151664005655} is an apocalyptic number.

9151664005655 is a deficient number, since it is larger than the sum of its proper divisors (1830332801137).

9151664005655 is a wasteful number, since it uses less digits than its factorization.

9151664005655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830332801136.

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 9151664005655 in words is "nine trillion, one hundred fifty-one billion, six hundred sixty-four million, five thousand, six hundred fifty-five".