916425204601 has 9 divisors (see below), whose sum is σ = 941899270221. Its totient is φ = 891622492992.

The previous prime is 916425204593. The next prime is 916425204613. The reversal of 916425204601 is 106402524619.

The square root of 916425204601 is 957301.

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

It can be written as a sum of positive squares in 4 ways, for example, as 163174794601 + 753250410000 = 403949^2 + 867900^2 .

It is not a de Polignac number, because 916425204601 - 2³ = 916425204593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916425204631) 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, 35407201 + ... + 35433073.

It is an arithmetic number, because the mean of its divisors is an integer number (104655474469).

Almost surely, 2^916425204601 is an apocalyptic number.

916425204601 is the 957301-st square number.

916425204601 is the 478651-st centered octagonal number.

It is an amenable number.

916425204601 is a deficient number, since it is larger than the sum of its proper divisors (25474065620).

916425204601 is an frugal number, since it uses more digits than its factorization.

916425204601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51820 (or 25910 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 916425204601 in words is "nine hundred sixteen billion, four hundred twenty-five million, two hundred four thousand, six hundred one".