1961169670 has 8 divisors (see below), whose sum is σ = 3530105424. Its totient is φ = 784467864.

The previous prime is 1961169667. The next prime is 1961169701. The reversal of 1961169670 is 769611691.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1961169670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98058474 + ... + 98058493.

It is an arithmetic number, because the mean of its divisors is an integer number (441263178).

Almost surely, 2^1961169670 is an apocalyptic number.

1961169670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1961169670 is a deficient number, since it is larger than the sum of its proper divisors (1568935754).

1961169670 is a wasteful number, since it uses less digits than its factorization.

1961169670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196116974.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 1961169670 is about 44285.0953482094. The cubic root of 1961169670 is about 1251.7138453800.

The spelling of 1961169670 in words is "one billion, nine hundred sixty-one million, one hundred sixty-nine thousand, six hundred seventy".