258148386061 has 4 divisors (see below), whose sum is σ = 258180315552. Its totient is φ = 258116456572.

The previous prime is 258148386049. The next prime is 258148386107. The reversal of 258148386061 is 160683841852.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258148386061 - 2¹⁷ = 258148254989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258148386011) 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, 15952615 + ... + 15968788.

It is an arithmetic number, because the mean of its divisors is an integer number (64545078888).

Almost surely, 2^258148386061 is an apocalyptic number.

It is an amenable number.

258148386061 is a deficient number, since it is larger than the sum of its proper divisors (31929491).

258148386061 is an equidigital number, since it uses as much as digits as its factorization.

258148386061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31929490.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 258148386061 in words is "two hundred fifty-eight billion, one hundred forty-eight million, three hundred eighty-six thousand, sixty-one".