64199146 has 16 divisors (see below), whose sum is σ = 105180768. Its totient is φ = 29146000.

The previous prime is 64199137. The next prime is 64199167.

64199146 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64199099 and 64199108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27501 + ... + 29743.

It is an arithmetic number, because the mean of its divisors is an integer number (6573798).

Almost surely, 2^64199146 is an apocalyptic number.

64199146 is a deficient number, since it is larger than the sum of its proper divisors (40981622).

64199146 is a wasteful number, since it uses less digits than its factorization.

64199146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557.

The product of its digits is 46656, while the sum is 40.

The square root of 64199146 is about 8012.4369576303. The cubic root of 64199146 is about 400.4144579133.

The spelling of 64199146 in words is "sixty-four million, one hundred ninety-nine thousand, one hundred forty-six".