26416325961 has 15 divisors (see below), whose sum is σ = 39463610461. Its totient is φ = 17609908788.

The previous prime is 26416325899. The next prime is 26416325963. The reversal of 26416325961 is 16952361462.

The square root of 26416325961 is 162531.

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

26416325961 is a `hidden beast` number, since 2 + 6 + 4 + 1 + 632 + 5 + 9 + 6 + 1 = 666.

It is not a de Polignac number, because 26416325961 - 2¹³ = 26416317769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26416325963) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1453750 + ... + 1471808.

Almost surely, 2^26416325961 is an apocalyptic number.

26416325961 is the 162531-st square number.

26416325961 is the 81266-th centered octagonal number.

It is an amenable number.

26416325961 is a deficient number, since it is larger than the sum of its proper divisors (13047284500).

26416325961 is an frugal number, since it uses more digits than its factorization.

26416325961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36130 (or 18062 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 26416325961 in words is "twenty-six billion, four hundred sixteen million, three hundred twenty-five thousand, nine hundred sixty-one".