99437812366201 has 27 divisors (see below), whose sum is σ = 101037539271333. Its totient is φ = 97863346839960.

The previous prime is 99437812366183. The next prime is 99437812366229. The reversal of 99437812366201 is 10266321873499.

It is a happy number.

The square root of 99437812366201 is 9971851.

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

It is not a de Polignac number, because 99437812366201 - 2⁵ = 99437812366169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99437812366201.

It is not an unprimeable number, because it can be changed into a prime (99437813366201) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 212928934170 + ... + 212928934636.

Almost surely, 2^{99437812366201} is an apocalyptic number.

99437812366201 is the 9971851-st square number.

99437812366201 is the 4985926-th centered octagonal number.

It is an amenable number.

99437812366201 is a deficient number, since it is larger than the sum of its proper divisors (1599726905132).

99437812366201 is an frugal number, since it uses more digits than its factorization.

99437812366201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 99437812366201 in words is "ninety-nine trillion, four hundred thirty-seven billion, eight hundred twelve million, three hundred sixty-six thousand, two hundred one".