1964397016 has 8 divisors (see below), whose sum is σ = 3683244420. Its totient is φ = 982198504.

The previous prime is 1964396999. The next prime is 1964397047. The reversal of 1964397016 is 6107934691.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 122774806 + ... + 122774821.

Almost surely, 2^1964397016 is an apocalyptic number.

It is an amenable number.

1964397016 is a deficient number, since it is larger than the sum of its proper divisors (1718847404).

1964397016 is a wasteful number, since it uses less digits than its factorization.

1964397016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245549633 (or 245549629 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1964397016 is about 44321.5186562916. The cubic root of 1964397016 is about 1252.4000854690.

The spelling of 1964397016 in words is "one billion, nine hundred sixty-four million, three hundred ninety-seven thousand, sixteen".