667162603271400 has 96 divisors (see below), whose sum is σ = 2068208235382560. Its totient is φ = 177909669239040.

The previous prime is 667162603271399. The next prime is 667162603271401. The reversal of 667162603271400 is 4172306261766.

It is an interprime number because it is at equal distance from previous prime (667162603271399) and next prime (667162603271401).

It is a super-4 number, since 4×667162603271400⁴ (a number of 60 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (667162603271401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445155699 + ... + 446651901.

It is an arithmetic number, because the mean of its divisors is an integer number (21543835785235).

Almost surely, 2^{667162603271400} is an apocalyptic number.

667162603271400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

667162603271400 is an abundant number, since it is smaller than the sum of its proper divisors (1401045632111160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667162603271400 is a wasteful number, since it uses less digits than its factorization.

667162603271400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239395 (or 2239386 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 667162603271400 in words is "six hundred sixty-seven trillion, one hundred sixty-two billion, six hundred three million, two hundred seventy-one thousand, four hundred".