2558264157806 has 32 divisors (see below), whose sum is σ = 4412922716160. Its totient is φ = 1089587847456.

The previous prime is 2558264157803. The next prime is 2558264157833. The reversal of 2558264157806 is 6087514628552.

2558264157806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2558264157806³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558264157803) 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, 624065 + ... + 2346483.

It is an arithmetic number, because the mean of its divisors is an integer number (137903834880).

Almost surely, 2^{2558264157806} is an apocalyptic number.

2558264157806 is a deficient number, since it is larger than the sum of its proper divisors (1854658558354).

2558264157806 is a wasteful number, since it uses less digits than its factorization.

2558264157806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723088.

The product of its (nonzero) digits is 32256000, while the sum is 59.

The spelling of 2558264157806 in words is "two trillion, five hundred fifty-eight billion, two hundred sixty-four million, one hundred fifty-seven thousand, eight hundred six".