16354299962025 has 81 divisors (see below), whose sum is σ = 31118768760261. Its totient is φ = 8208699598080.

The previous prime is 16354299961903. The next prime is 16354299962069. The reversal of 16354299962025 is 52026999245361.

The square root of 16354299962025 is 4044045.

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

16354299962025 is a `hidden beast` number, since 1 + 6 + 3 + 54 + 299 + 96 + 202 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 382543487001 + 15971756475024 = 618501^2 + 3996468^2 .

It is not a de Polignac number, because 16354299962025 - 2¹³ = 16354299953833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1031223546 + ... + 1031239404.

Almost surely, 2^{16354299962025} is an apocalyptic number.

16354299962025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16354299962025 is the 4044045-th square number.

16354299962025 is the 2022023-rd centered octagonal number.

It is an amenable number.

16354299962025 is a deficient number, since it is larger than the sum of its proper divisors (14764468798236).

16354299962025 is an frugal number, since it uses more digits than its factorization.

16354299962025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31768 (or 15884 counting only the distinct ones).

The product of its (nonzero) digits is 62985600, while the sum is 63.

The spelling of 16354299962025 in words is "sixteen trillion, three hundred fifty-four billion, two hundred ninety-nine million, nine hundred sixty-two thousand, twenty-five".