33400161667 has 2 divisors, whose sum is σ = 33400161668. Its totient is φ = 33400161666.

The previous prime is 33400161661. The next prime is 33400161679. The reversal of 33400161667 is 76616100433.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33400161667 - 2²³ = 33391773059 is a prime.

It is a super-2 number, since 2×33400161667² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33400161661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700080833 + 16700080834.

It is an arithmetic number, because the mean of its divisors is an integer number (16700080834).

Almost surely, 2^33400161667 is an apocalyptic number.

33400161667 is a deficient number, since it is larger than the sum of its proper divisors (1).

33400161667 is an equidigital number, since it uses as much as digits as its factorization.

33400161667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 33400161667 in words is "thirty-three billion, four hundred million, one hundred sixty-one thousand, six hundred sixty-seven".