16238697946 has 16 divisors (see below), whose sum is σ = 25310320128. Its totient is φ = 7805394000.

The previous prime is 16238697919. The next prime is 16238697949. The reversal of 16238697946 is 64979683261.

It is not an unprimeable number, because it can be changed into a prime (16238697949) 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 7 ways as a sum of consecutive naturals, for example, 857905 + ... + 876628.

It is an arithmetic number, because the mean of its divisors is an integer number (1581895008).

Almost surely, 2^16238697946 is an apocalyptic number.

16238697946 is a deficient number, since it is larger than the sum of its proper divisors (9071622182).

16238697946 is a wasteful number, since it uses less digits than its factorization.

16238697946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734717.

The product of its digits is 23514624, while the sum is 61.

The spelling of 16238697946 in words is "sixteen billion, two hundred thirty-eight million, six hundred ninety-seven thousand, nine hundred forty-six".