260701551 has 16 divisors (see below), whose sum is σ = 421336320. Its totient is φ = 158000760.

The previous prime is 260701543. The next prime is 260701607. The reversal of 260701551 is 155107062.

260701551 is a `hidden beast` number, since 2 + 607 + 0 + 1 + 5 + 51 = 666.

It is not a de Polignac number, because 260701551 - 2³ = 260701543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260701531) 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, 438595 + ... + 439188.

It is an arithmetic number, because the mean of its divisors is an integer number (26333520).

Almost surely, 2^260701551 is an apocalyptic number.

260701551 is a deficient number, since it is larger than the sum of its proper divisors (160634769).

260701551 is a wasteful number, since it uses less digits than its factorization.

260701551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877803 (or 877797 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 260701551 is about 16146.2550147085. The cubic root of 260701551 is about 638.8239723206.

The spelling of 260701551 in words is "two hundred sixty million, seven hundred one thousand, five hundred fifty-one".