48166819 has 4 divisors (see below), whose sum is σ = 48288544. Its totient is φ = 48045096.

The previous prime is 48166813. The next prime is 48166823. The reversal of 48166819 is 91866184.

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 48166819 - 2¹⁷ = 48035747 is a prime.

It is a super-2 number, since 2×48166819² = 4640084905157522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48166813) 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, 60267 + ... + 61060.

It is an arithmetic number, because the mean of its divisors is an integer number (12072136).

Almost surely, 2^48166819 is an apocalyptic number.

48166819 is a deficient number, since it is larger than the sum of its proper divisors (121725).

48166819 is a wasteful number, since it uses less digits than its factorization.

48166819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121724.

The product of its digits is 82944, while the sum is 43.

The square root of 48166819 is about 6940.2319125516. The cubic root of 48166819 is about 363.8446459981.

The spelling of 48166819 in words is "forty-eight million, one hundred sixty-six thousand, eight hundred nineteen".