901162213657 has 8 divisors (see below), whose sum is σ = 903707989376. Its totient is φ = 898616929392.

The previous prime is 901162213621. The next prime is 901162213673. The reversal of 901162213657 is 756312261109.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-901162213657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (901162214657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3718798 + ... + 3953704.

It is an arithmetic number, because the mean of its divisors is an integer number (112963498672).

Almost surely, 2^901162213657 is an apocalyptic number.

It is an amenable number.

901162213657 is a deficient number, since it is larger than the sum of its proper divisors (2545775719).

901162213657 is a wasteful number, since it uses less digits than its factorization.

901162213657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245727.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 901162213657 in words is "nine hundred one billion, one hundred sixty-two million, two hundred thirteen thousand, six hundred fifty-seven".