1356161610 has 64 divisors (see below), whose sum is σ = 3317708160. Its totient is φ = 354681600.

The previous prime is 1356161603. The next prime is 1356161623. The reversal of 1356161610 is 161616531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1240224 + ... + 1241316.

It is an arithmetic number, because the mean of its divisors is an integer number (51839190).

Almost surely, 2^1356161610 is an apocalyptic number.

1356161610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356161610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658854080).

1356161610 is an abundant number, since it is smaller than the sum of its proper divisors (1961546550).

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

1356161610 is a wasteful number, since it uses less digits than its factorization.

1356161610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1356161610 is about 36826.0995762516. The cubic root of 1356161610 is about 1106.8883472101. Note that the first 3 decimals are identical.

The spelling of 1356161610 in words is "one billion, three hundred fifty-six million, one hundred sixty-one thousand, six hundred ten".