370216081 has 9 divisors (see below), whose sum is σ = 376894569. Its totient is φ = 363654900.

The previous prime is 370216057. The next prime is 370216097. The reversal of 370216081 is 180612073.

The square root of 370216081 is 19241.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 370216081 - 2¹³ = 370207889 is a prime.

It is a super-2 number, since 2×370216081² = 274119893261997122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (370216031) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1365976 + ... + 1366246.

Almost surely, 2^370216081 is an apocalyptic number.

370216081 is the 19241-st square number.

370216081 is the 9621-st centered octagonal number.

It is an amenable number.

370216081 is a deficient number, since it is larger than the sum of its proper divisors (6678488).

370216081 is an frugal number, since it uses more digits than its factorization.

370216081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The cubic root of 370216081 is about 718.0451609151.

The spelling of 370216081 in words is "three hundred seventy million, two hundred sixteen thousand, eighty-one".