2661110427 has 16 divisors (see below), whose sum is σ = 3640209408. Its totient is φ = 1728259680.

The previous prime is 2661110423. The next prime is 2661110447. The reversal of 2661110427 is 7240111662.

It is not a de Polignac number, because 2661110427 - 2² = 2661110423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2661110394 and 2661110403.

It is not an unprimeable number, because it can be changed into a prime (2661110423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22477 + ... + 76337.

It is an arithmetic number, because the mean of its divisors is an integer number (227513088).

Almost surely, 2^2661110427 is an apocalyptic number.

2661110427 is a deficient number, since it is larger than the sum of its proper divisors (979098981).

2661110427 is a wasteful number, since it uses less digits than its factorization.

2661110427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54290.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2661110427 is about 51585.9518376854. The cubic root of 2661110427 is about 1385.7587586560.

The spelling of 2661110427 in words is "two billion, six hundred sixty-one million, one hundred ten thousand, four hundred twenty-seven".