254837271661 has 16 divisors (see below), whose sum is σ = 291551408640. Its totient is φ = 218200474800.

The previous prime is 254837271643. The next prime is 254837271679. The reversal of 254837271661 is 166172738452.

It is an interprime number because it is at equal distance from previous prime (254837271643) and next prime (254837271679).

It is not a de Polignac number, because 254837271661 - 2⁵ = 254837271629 is a prime.

It is a super-3 number, since 3×254837271661³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254837271599 and 254837271608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254837271691) 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, 42562110 + ... + 42568096.

It is an arithmetic number, because the mean of its divisors is an integer number (18221963040).

Almost surely, 2^254837271661 is an apocalyptic number.

It is an amenable number.

254837271661 is a deficient number, since it is larger than the sum of its proper divisors (36714136979).

254837271661 is a wasteful number, since it uses less digits than its factorization.

254837271661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424.

The product of its digits is 3386880, while the sum is 52.

The spelling of 254837271661 in words is "two hundred fifty-four billion, eight hundred thirty-seven million, two hundred seventy-one thousand, six hundred sixty-one".