67224954157 has 2 divisors, whose sum is σ = 67224954158. Its totient is φ = 67224954156.

The previous prime is 67224954113. The next prime is 67224954163. The reversal of 67224954157 is 75145942276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51853665796 + 15371288361 = 227714^2 + 123981^2 .

It is a cyclic number.

It is not a de Polignac number, because 67224954157 - 2¹⁹ = 67224429869 is a prime.

It is a super-2 number, since 2×67224954157² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67224954257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33612477078 + 33612477079.

It is an arithmetic number, because the mean of its divisors is an integer number (33612477079).

Almost surely, 2^67224954157 is an apocalyptic number.

It is an amenable number.

67224954157 is a deficient number, since it is larger than the sum of its proper divisors (1).

67224954157 is an equidigital number, since it uses as much as digits as its factorization.

67224954157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 52.

The spelling of 67224954157 in words is "sixty-seven billion, two hundred twenty-four million, nine hundred fifty-four thousand, one hundred fifty-seven".