68105051 has 16 divisors (see below), whose sum is σ = 79934400. Its totient is φ = 58000320.

The previous prime is 68105027. The next prime is 68105087. The reversal of 68105051 is 15050186.

It is not a de Polignac number, because 68105051 - 2¹⁰ = 68104027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68105051.

It is not an unprimeable number, because it can be changed into a prime (68155051) 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, 61535 + ... + 62631.

It is an arithmetic number, because the mean of its divisors is an integer number (4995900).

Almost surely, 2^68105051 is an apocalyptic number.

68105051 is a deficient number, since it is larger than the sum of its proper divisors (11829349).

68105051 is a wasteful number, since it uses less digits than its factorization.

68105051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 68105051 is about 8252.5784455526. The cubic root of 68105051 is about 408.3755892778.

The spelling of 68105051 in words is "sixty-eight million, one hundred five thousand, fifty-one".