1081680264 has 64 divisors (see below), whose sum is σ = 3433910400. Its totient is φ = 309051072.

The previous prime is 1081680253. The next prime is 1081680277. The reversal of 1081680264 is 4620861801.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 356187 + ... + 359210.

It is an arithmetic number, because the mean of its divisors is an integer number (53654850).

Almost surely, 2^1081680264 is an apocalyptic number.

1081680264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1081680264 is an abundant number, since it is smaller than the sum of its proper divisors (2352230136).

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

1081680264 is a wasteful number, since it uses less digits than its factorization.

1081680264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715419 (or 715409 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1081680264 is about 32888.9079174119. The cubic root of 1081680264 is about 1026.5173684252.

The spelling of 1081680264 in words is "one billion, eighty-one million, six hundred eighty thousand, two hundred sixty-four".