258366551094 has 64 divisors (see below), whose sum is σ = 595213332480. Its totient is φ = 82986223680.

The previous prime is 258366551087. The next prime is 258366551137. The reversal of 258366551094 is 490155663852.

258366551094 is a `hidden beast` number, since 2 + 5 + 8 + 36 + 6 + 5 + 510 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 258366551094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58839 + ... + 721245.

It is an arithmetic number, because the mean of its divisors is an integer number (9300208320).

Almost surely, 2^258366551094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258366551094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297606666240).

258366551094 is an abundant number, since it is smaller than the sum of its proper divisors (336846781386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258366551094 is a wasteful number, since it uses less digits than its factorization.

258366551094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662682 (or 662676 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 258366551094 in words is "two hundred fifty-eight billion, three hundred sixty-six million, five hundred fifty-one thousand, ninety-four".