60667149 has 4 divisors (see below), whose sum is σ = 80889536. Its totient is φ = 40444764.

The previous prime is 60667147. The next prime is 60667151. The reversal of 60667149 is 94176606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (60667147) and next prime (60667151).

It is not a de Polignac number, because 60667149 - 2¹ = 60667147 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60667141) 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, 10111189 + ... + 10111194.

It is an arithmetic number, because the mean of its divisors is an integer number (20222384).

Almost surely, 2^60667149 is an apocalyptic number.

It is an amenable number.

60667149 is a deficient number, since it is larger than the sum of its proper divisors (20222387).

60667149 is a wasteful number, since it uses less digits than its factorization.

60667149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20222386.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 60667149 is about 7788.9119265787. The cubic root of 60667149 is about 392.9324191494.

The spelling of 60667149 in words is "sixty million, six hundred sixty-seven thousand, one hundred forty-nine".