258488256106 has 4 divisors (see below), whose sum is σ = 387732384162. Its totient is φ = 129244128052.

The previous prime is 258488256079. The next prime is 258488256199. The reversal of 258488256106 is 601652884852.

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

It can be written as a sum of positive squares in only one way, i.e., 252195800481 + 6292455625 = 502191^2 + 79325^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64622064025 + ... + 64622064028.

Almost surely, 2^258488256106 is an apocalyptic number.

258488256106 is a deficient number, since it is larger than the sum of its proper divisors (129244128056).

258488256106 is a wasteful number, since it uses less digits than its factorization.

258488256106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129244128055.

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 258488256106 in words is "two hundred fifty-eight billion, four hundred eighty-eight million, two hundred fifty-six thousand, one hundred six".