1931966061 has 8 divisors (see below), whose sum is σ = 2577259104. Its totient is φ = 1287325200.

The previous prime is 1931966021. The next prime is 1931966083. The reversal of 1931966061 is 1606691391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1931966061 - 2¹⁰ = 1931965037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1931966021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156090 + ... + 168011.

It is an arithmetic number, because the mean of its divisors is an integer number (322157388).

Almost surely, 2^1931966061 is an apocalyptic number.

It is an amenable number.

1931966061 is a deficient number, since it is larger than the sum of its proper divisors (645293043).

1931966061 is a wasteful number, since it uses less digits than its factorization.

1931966061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326091.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 1931966061 is about 43954.1358804834. The cubic root of 1931966061 is about 1245.4696939101.

The spelling of 1931966061 in words is "one billion, nine hundred thirty-one million, nine hundred sixty-six thousand, sixty-one".