1961696046 has 16 divisors (see below), whose sum is σ = 3958113744. Its totient is φ = 648111744.

The previous prime is 1961696017. The next prime is 1961696057. The reversal of 1961696046 is 6406961691.

It is a junction number, because it is equal to n+sod(n) for n = 1961695986 and 1961696004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446001 + ... + 1447356.

It is an arithmetic number, because the mean of its divisors is an integer number (247382109).

Almost surely, 2^1961696046 is an apocalyptic number.

1961696046 is an abundant number, since it is smaller than the sum of its proper divisors (1996417698).

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

1961696046 is a wasteful number, since it uses less digits than its factorization.

1961696046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893475.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 1961696046 is about 44291.0379873852. The cubic root of 1961696046 is about 1251.8258216152.

The spelling of 1961696046 in words is "one billion, nine hundred sixty-one million, six hundred ninety-six thousand, forty-six".