67196651 has 2 divisors, whose sum is σ = 67196652. Its totient is φ = 67196650.

The previous prime is 67196627. The next prime is 67196669. The reversal of 67196651 is 15669176.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67196651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67196599 and 67196608.

It is not a weakly prime, because it can be changed into another prime (67196611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33598325 + 33598326.

It is an arithmetic number, because the mean of its divisors is an integer number (33598326).

Almost surely, 2^67196651 is an apocalyptic number.

67196651 is a deficient number, since it is larger than the sum of its proper divisors (1).

67196651 is an equidigital number, since it uses as much as digits as its factorization.

67196651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 67196651 is about 8197.3563421386. The cubic root of 67196651 is about 406.5517888213.

The spelling of 67196651 in words is "sixty-seven million, one hundred ninety-six thousand, six hundred fifty-one".