1696155620 has 48 divisors (see below), whose sum is σ = 3808870128. Its totient is φ = 632217600.

The previous prime is 1696155581. The next prime is 1696155679. The reversal of 1696155620 is 265516961.

It can be written as a sum of positive squares in 8 ways, for example, as 455566336 + 1240589284 = 21344^2 + 35222^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9644 + ... + 59036.

It is an arithmetic number, because the mean of its divisors is an integer number (79351461).

Almost surely, 2^1696155620 is an apocalyptic number.

1696155620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1696155620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1904435064).

1696155620 is an abundant number, since it is smaller than the sum of its proper divisors (2112714508).

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

1696155620 is a wasteful number, since it uses less digits than its factorization.

1696155620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49520 (or 49518 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 1696155620 is about 41184.4099144324. The cubic root of 1696155620 is about 1192.5828652896.

The spelling of 1696155620 in words is "one billion, six hundred ninety-six million, one hundred fifty-five thousand, six hundred twenty".