68416951 has 4 divisors (see below), whose sum is σ = 68445000. Its totient is φ = 68388904.

The previous prime is 68416939. The next prime is 68416963. The reversal of 68416951 is 15961486.

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

It is an interprime number because it is at equal distance from previous prime (68416939) and next prime (68416963).

It is a cyclic number.

It is not a de Polignac number, because 68416951 - 2⁵ = 68416919 is a prime.

It is a super-3 number, since 3×68416951³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68416921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9976 + ... + 15373.

It is an arithmetic number, because the mean of its divisors is an integer number (17111250).

Almost surely, 2^68416951 is an apocalyptic number.

68416951 is a deficient number, since it is larger than the sum of its proper divisors (28049).

68416951 is a wasteful number, since it uses less digits than its factorization.

68416951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28048.

The product of its digits is 51840, while the sum is 40.

The square root of 68416951 is about 8271.4539834300. The cubic root of 68416951 is about 408.9980511741.

The spelling of 68416951 in words is "sixty-eight million, four hundred sixteen thousand, nine hundred fifty-one".