1316632870 has 16 divisors (see below), whose sum is σ = 2708502048. Its totient is φ = 451416960.

The previous prime is 1316632853. The next prime is 1316632903. The reversal of 1316632870 is 782366131.

It is a super-2 number, since 2×1316632870² = 3467044228728873800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9404451 + ... + 9404590.

It is an arithmetic number, because the mean of its divisors is an integer number (169281378).

Almost surely, 2^1316632870 is an apocalyptic number.

1316632870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1316632870 is an abundant number, since it is smaller than the sum of its proper divisors (1391869178).

1316632870 is a wasteful number, since it uses less digits than its factorization.

1316632870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18809055.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1316632870 is about 36285.4360591133. The cubic root of 1316632870 is about 1096.0277861382.

The spelling of 1316632870 in words is "one billion, three hundred sixteen million, six hundred thirty-two thousand, eight hundred seventy".