918866142 has 24 divisors (see below), whose sum is σ = 1994807880. Its totient is φ = 305683920.

The previous prime is 918866089. The next prime is 918866161. The reversal of 918866142 is 241668819.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40984 + ... + 59307.

It is an arithmetic number, because the mean of its divisors is an integer number (83116995).

Almost surely, 2^918866142 is an apocalyptic number.

918866142 is an abundant number, since it is smaller than the sum of its proper divisors (1075941738).

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

918866142 is a wasteful number, since it uses less digits than its factorization.

918866142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100808 (or 100805 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 918866142 is about 30312.8049180540. The cubic root of 918866142 is about 972.1891048519.

The spelling of 918866142 in words is "nine hundred eighteen million, eight hundred sixty-six thousand, one hundred forty-two".