990216576 has 80 divisors (see below), whose sum is σ = 2946899340. Its totient is φ = 330068736.

The previous prime is 990216569. The next prime is 990216583. The reversal of 990216576 is 675612099.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (990216569) and next prime (990216583).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37386 + ... + 58121.

Almost surely, 2^990216576 is an apocalyptic number.

990216576 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

990216576 is an abundant number, since it is smaller than the sum of its proper divisors (1956682764).

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

990216576 is an equidigital number, since it uses as much as digits as its factorization.

990216576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95533 (or 95512 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 990216576 is about 31467.7068754620. The cubic root of 990216576 is about 996.7281654402.

The spelling of 990216576 in words is "nine hundred ninety million, two hundred sixteen thousand, five hundred seventy-six".