881251616 has 48 divisors (see below), whose sum is σ = 2087184960. Its totient is φ = 357799680.

The previous prime is 881251549. The next prime is 881251619. The reversal of 881251616 is 616152188.

It is a super-2 number, since 2×881251616² = 1553208821405222912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 881251616.

It is not an unprimeable number, because it can be changed into a prime (881251619) 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, 99275 + ... + 107786.

It is an arithmetic number, because the mean of its divisors is an integer number (43483020).

Almost surely, 2^881251616 is an apocalyptic number.

It is an amenable number.

881251616 is an abundant number, since it is smaller than the sum of its proper divisors (1205933344).

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

881251616 is a wasteful number, since it uses less digits than its factorization.

881251616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207097 (or 207089 counting only the distinct ones).

The product of its digits is 23040, while the sum is 38.

The square root of 881251616 is about 29685.8824359324. The cubic root of 881251616 is about 958.7380757180.

The spelling of 881251616 in words is "eight hundred eighty-one million, two hundred fifty-one thousand, six hundred sixteen".