10266779601 has 24 divisors (see below), whose sum is σ = 15988242816. Its totient is φ = 6311017440.

The previous prime is 10266779569. The next prime is 10266779603. The reversal of 10266779601 is 10697766201.

It is a happy number.

10266779601 is a `hidden beast` number, since 10 + 26 + 6 + 7 + 7 + 9 + 601 = 666.

It is not a de Polignac number, because 10266779601 - 2⁵ = 10266779569 is a prime.

It is a super-4 number, since 4×10266779601⁴ (a number of 41 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10266779603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58426 + ... + 154748.

It is an arithmetic number, because the mean of its divisors is an integer number (666176784).

Almost surely, 2^10266779601 is an apocalyptic number.

It is an amenable number.

10266779601 is a deficient number, since it is larger than the sum of its proper divisors (5721463215).

10266779601 is a wasteful number, since it uses less digits than its factorization.

10266779601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97253 (or 97250 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 10266779601 in words is "ten billion, two hundred sixty-six million, seven hundred seventy-nine thousand, six hundred one".