1866492096 has 112 divisors (see below), whose sum is σ = 5750625024. Its totient is φ = 523201536.

The previous prime is 1866492071. The next prime is 1866492137. The reversal of 1866492096 is 6902946681.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58131 + ... + 84333.

Almost surely, 2^1866492096 is an apocalyptic number.

1866492096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1866492096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2875312512).

1866492096 is an abundant number, since it is smaller than the sum of its proper divisors (3884132928).

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

1866492096 is a wasteful number, since it uses less digits than its factorization.

1866492096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26278 (or 26268 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 1866492096 is about 43202.9176792494. The cubic root of 1866492096 is about 1231.2381161092.

The spelling of 1866492096 in words is "one billion, eight hundred sixty-six million, four hundred ninety-two thousand, ninety-six".