101449966 has 4 divisors (see below), whose sum is σ = 152174952. Its totient is φ = 50724982.

The previous prime is 101449951. The next prime is 101449991. The reversal of 101449966 is 669944101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 669944101 = 461 ⋅1453241.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25362490 + ... + 25362493.

It is an arithmetic number, because the mean of its divisors is an integer number (38043738).

Almost surely, 2^101449966 is an apocalyptic number.

101449966 is a deficient number, since it is larger than the sum of its proper divisors (50724986).

101449966 is an equidigital number, since it uses as much as digits as its factorization.

101449966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50724985.

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

The square root of 101449966 is about 10072.2373879888. The cubic root of 101449966 is about 466.3915091078.

The spelling of 101449966 in words is "one hundred one million, four hundred forty-nine thousand, nine hundred sixty-six".