1946920064 has 32 divisors (see below), whose sum is σ = 3883364400. Its totient is φ = 972271872.

The previous prime is 1946920061. The next prime is 1946920081. The reversal of 1946920064 is 4600296491.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1946920061) 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 3 ways as a sum of consecutive naturals, for example, 101099 + ... + 118805.

Almost surely, 2^1946920064 is an apocalyptic number.

It is an amenable number.

1946920064 is a deficient number, since it is larger than the sum of its proper divisors (1936444336).

1946920064 is an equidigital number, since it uses as much as digits as its factorization.

1946920064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580 (or 18568 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1946920064 is about 44123.9171425203. The cubic root of 1946920064 is about 1248.6748760536.

The spelling of 1946920064 in words is "one billion, nine hundred forty-six million, nine hundred twenty thousand, sixty-four".