667701401126 has 8 divisors (see below), whose sum is σ = 1012805496360. Its totient is φ = 330099569008.

The previous prime is 667701401089. The next prime is 667701401137. The reversal of 667701401126 is 621104107766.

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

It is a super-2 number, since 2×667701401126² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875565556 + ... + 1875565911.

It is an arithmetic number, because the mean of its divisors is an integer number (126600687045).

Almost surely, 2^667701401126 is an apocalyptic number.

667701401126 is a deficient number, since it is larger than the sum of its proper divisors (345104095234).

667701401126 is a wasteful number, since it uses less digits than its factorization.

667701401126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751131558.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 667701401126 in words is "six hundred sixty-seven billion, seven hundred one million, four hundred one thousand, one hundred twenty-six".