16449197941 has 8 divisors (see below), whose sum is σ = 18361895904. Its totient is φ = 14606052720.

The previous prime is 16449197923. The next prime is 16449197969. The reversal of 16449197941 is 14979194461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16449197941 - 2⁷ = 16449197813 is a prime.

It is a super-2 number, since 2×16449197941² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16449197981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17387686 + ... + 17388631.

It is an arithmetic number, because the mean of its divisors is an integer number (2295236988).

Almost surely, 2^16449197941 is an apocalyptic number.

16449197941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16449197941 is a deficient number, since it is larger than the sum of its proper divisors (1912697963).

16449197941 is a wasteful number, since it uses less digits than its factorization.

16449197941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34776371.

The product of its digits is 1959552, while the sum is 55.

The spelling of 16449197941 in words is "sixteen billion, four hundred forty-nine million, one hundred ninety-seven thousand, nine hundred forty-one".