68026551 has 16 divisors (see below), whose sum is σ = 92171520. Its totient is φ = 44621120.

The previous prime is 68026523. The next prime is 68026579. The reversal of 68026551 is 15562086.

It is an interprime number because it is at equal distance from previous prime (68026523) and next prime (68026579).

It is a cyclic number.

It is not a de Polignac number, because 68026551 - 2⁹ = 68026039 is a prime.

It is a super-2 number, since 2×68026551² = 9255223281911202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68026451) 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, 89011 + ... + 89771.

It is an arithmetic number, because the mean of its divisors is an integer number (5760720).

Almost surely, 2^68026551 is an apocalyptic number.

68026551 is a deficient number, since it is larger than the sum of its proper divisors (24144969).

68026551 is a wasteful number, since it uses less digits than its factorization.

68026551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 68026551 is about 8247.8209849632. The cubic root of 68026551 is about 408.2186268206.

The spelling of 68026551 in words is "sixty-eight million, twenty-six thousand, five hundred fifty-one".