1961560700 has 36 divisors (see below), whose sum is σ = 4643551752. Its totient is φ = 713294400.

The previous prime is 1961560697. The next prime is 1961560709. The reversal of 1961560700 is 70651691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961560709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 890519 + ... + 892718.

Almost surely, 2^1961560700 is an apocalyptic number.

1961560700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1961560700 is an abundant number, since it is smaller than the sum of its proper divisors (2681991052).

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

1961560700 is a wasteful number, since it uses less digits than its factorization.

1961560700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783262 (or 1783255 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1961560700 is about 44289.5100447047. The cubic root of 1961560700 is about 1251.7970313048.

It can be divided in two parts, 196 and 1560700, that added together give a cube (1560896 = 116³).

The spelling of 1961560700 in words is "one billion, nine hundred sixty-one million, five hundred sixty thousand, seven hundred".