1696171961 has 8 divisors (see below), whose sum is σ = 1930820544. Its totient is φ = 1474931920.

The previous prime is 1696171931. The next prime is 1696171963. The reversal of 1696171961 is 1691716961.

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

It is not a de Polignac number, because 1696171961 - 2²² = 1691977657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1696171963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3351866 + ... + 3352371.

It is an arithmetic number, because the mean of its divisors is an integer number (241352568).

Almost surely, 2^1696171961 is an apocalyptic number.

1696171961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1696171961 is a deficient number, since it is larger than the sum of its proper divisors (234648583).

1696171961 is a wasteful number, since it uses less digits than its factorization.

1696171961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704271.

The product of its digits is 122472, while the sum is 47.

The square root of 1696171961 is about 41184.6083021315. The cubic root of 1696171961 is about 1192.5866951139.

The spelling of 1696171961 in words is "one billion, six hundred ninety-six million, one hundred seventy-one thousand, nine hundred sixty-one".