891901162 has 4 divisors (see below), whose sum is σ = 1337851746. Its totient is φ = 445950580.

The previous prime is 891901159. The next prime is 891901163. The reversal of 891901162 is 261109198.

891901162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 891679321 + 221841 = 29861^2 + 471^2 .

It is not an unprimeable number, because it can be changed into a prime (891901163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222975289 + ... + 222975292.

Almost surely, 2^891901162 is an apocalyptic number.

891901162 is a deficient number, since it is larger than the sum of its proper divisors (445950584).

891901162 is a wasteful number, since it uses less digits than its factorization.

891901162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445950583.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 891901162 is about 29864.7143297906. The cubic root of 891901162 is about 962.5846013677.

The spelling of 891901162 in words is "eight hundred ninety-one million, nine hundred one thousand, one hundred sixty-two".