891516102 has 8 divisors (see below), whose sum is σ = 1783032216. Its totient is φ = 297172032.

The previous prime is 891516097. The next prime is 891516103. The reversal of 891516102 is 201615198.

891516102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

891516102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891516103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74293003 + ... + 74293014.

It is an arithmetic number, because the mean of its divisors is an integer number (222879027).

Almost surely, 2^891516102 is an apocalyptic number.

891516102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

891516102 is a wasteful number, since it uses less digits than its factorization.

891516102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148586022.

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 891516102 is about 29858.2668954512. The cubic root of 891516102 is about 962.4460560536.

The spelling of 891516102 in words is "eight hundred ninety-one million, five hundred sixteen thousand, one hundred two".