15550601167 has 4 divisors (see below), whose sum is σ = 16369053880. Its totient is φ = 14732148456.

The previous prime is 15550601137. The next prime is 15550601173. The reversal of 15550601167 is 76110605551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15550601167 - 2¹⁹ = 15550076879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15550601117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409226328 + ... + 409226365.

It is an arithmetic number, because the mean of its divisors is an integer number (4092263470).

Almost surely, 2^15550601167 is an apocalyptic number.

15550601167 is a deficient number, since it is larger than the sum of its proper divisors (818452713).

15550601167 is an equidigital number, since it uses as much as digits as its factorization.

15550601167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818452712.

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 15550601167 in words is "fifteen billion, five hundred fifty million, six hundred one thousand, one hundred sixty-seven".