16446195692740 has 24 divisors (see below), whose sum is σ = 37676739223872. Its totient is φ = 5980434797280.

The previous prime is 16446195692737. The next prime is 16446195692741. The reversal of 16446195692740 is 4729659164461.

It is not an unprimeable number, because it can be changed into a prime (16446195692741) 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, 37377717264 + ... + 37377717703.

It is an arithmetic number, because the mean of its divisors is an integer number (1569864134328).

Almost surely, 2^{16446195692740} is an apocalyptic number.

16446195692740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16446195692740 is an abundant number, since it is smaller than the sum of its proper divisors (21230543531132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16446195692740 is a wasteful number, since it uses less digits than its factorization.

16446195692740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74755434987 (or 74755434985 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 16446195692740 in words is "sixteen trillion, four hundred forty-six billion, one hundred ninety-five million, six hundred ninety-two thousand, seven hundred forty".