10301661261 has 24 divisors (see below), whose sum is σ = 15009506304. Its totient is φ = 6808173120.

The previous prime is 10301661259. The next prime is 10301661263. The reversal of 10301661261 is 16216610301.

10301661261 is a `hidden beast` number, since 1 + 0 + 30 + 16 + 612 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (10301661259) and next prime (10301661263).

It is not a de Polignac number, because 10301661261 - 2¹ = 10301661259 is a prime.

It is a super-2 number, since 2×10301661261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10301661263) 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, 1792785 + ... + 1798521.

It is an arithmetic number, because the mean of its divisors is an integer number (625396096).

Almost surely, 2^10301661261 is an apocalyptic number.

It is an amenable number.

10301661261 is a deficient number, since it is larger than the sum of its proper divisors (4707845043).

10301661261 is a wasteful number, since it uses less digits than its factorization.

10301661261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441 (or 7438 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 10301661261 in words is "ten billion, three hundred one million, six hundred sixty-one thousand, two hundred sixty-one".