667231250061 has 8 divisors (see below), whose sum is σ = 892948885920. Its totient is φ = 443167223792.

The previous prime is 667231250029. The next prime is 667231250087. The reversal of 667231250061 is 160052132766.

667231250061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667231250061 - 2⁵ = 667231250029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667231750061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413401455 + ... + 413403068.

It is an arithmetic number, because the mean of its divisors is an integer number (111618610740).

Almost surely, 2^667231250061 is an apocalyptic number.

It is an amenable number.

667231250061 is a deficient number, since it is larger than the sum of its proper divisors (225717635859).

667231250061 is a wasteful number, since it uses less digits than its factorization.

667231250061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826804795.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 667231250061 in words is "six hundred sixty-seven billion, two hundred thirty-one million, two hundred fifty thousand, sixty-one".