16961995 has 8 divisors (see below), whose sum is σ = 20828016. Its totient is φ = 13253856.

The previous prime is 16961957. The next prime is 16961999. The reversal of 16961995 is 59916961.

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 16961995 - 2¹³ = 16953803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16961999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39232 + ... + 39661.

It is an arithmetic number, because the mean of its divisors is an integer number (2603502).

Almost surely, 2^16961995 is an apocalyptic number.

16961995 is a deficient number, since it is larger than the sum of its proper divisors (3866021).

16961995 is an equidigital number, since it uses as much as digits as its factorization.

16961995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78941.

The product of its digits is 131220, while the sum is 46.

The square root of 16961995 is about 4118.4942636842. The cubic root of 16961995 is about 256.9364052047.

It can be divided in two parts, 16961 and 995, that added together give a square (17956 = 134²).

The spelling of 16961995 in words is "sixteen million, nine hundred sixty-one thousand, nine hundred ninety-five".