258660371551 has 4 divisors (see below), whose sum is σ = 258663526912. Its totient is φ = 258657216192.

The previous prime is 258660371539. The next prime is 258660371633. The reversal of 258660371551 is 155173066852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258660371551 - 2¹¹ = 258660369503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258660371495 and 258660371504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258660371531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451346 + ... + 1619791.

It is an arithmetic number, because the mean of its divisors is an integer number (64665881728).

Almost surely, 2^258660371551 is an apocalyptic number.

258660371551 is a deficient number, since it is larger than the sum of its proper divisors (3155361).

258660371551 is an equidigital number, since it uses as much as digits as its factorization.

258660371551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155360.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 258660371551 in words is "two hundred fifty-eight billion, six hundred sixty million, three hundred seventy-one thousand, five hundred fifty-one".