667214482537 has 4 divisors (see below), whose sum is σ = 678523202640. Its totient is φ = 655905762436.

The previous prime is 667214482499. The next prime is 667214482541. The reversal of 667214482537 is 735284412766.

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 a cyclic number.

It is not a de Polignac number, because 667214482537 - 2⁷ = 667214482409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667214482577) 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, 5654359963 + ... + 5654360080.

It is an arithmetic number, because the mean of its divisors is an integer number (169630800660).

Almost surely, 2^667214482537 is an apocalyptic number.

It is an amenable number.

667214482537 is a deficient number, since it is larger than the sum of its proper divisors (11308720103).

667214482537 is a wasteful number, since it uses less digits than its factorization.

667214482537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11308720102.

The product of its digits is 13547520, while the sum is 55.

The spelling of 667214482537 in words is "six hundred sixty-seven billion, two hundred fourteen million, four hundred eighty-two thousand, five hundred thirty-seven".