1081616950 has 12 divisors (see below), whose sum is σ = 2011807620. Its totient is φ = 432646760.

The previous prime is 1081616947. The next prime is 1081616957. The reversal of 1081616950 is 596161801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081616957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10816120 + ... + 10816219.

It is an arithmetic number, because the mean of its divisors is an integer number (167650635).

Almost surely, 2^1081616950 is an apocalyptic number.

1081616950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081616950 is a deficient number, since it is larger than the sum of its proper divisors (930190670).

1081616950 is a wasteful number, since it uses less digits than its factorization.

1081616950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21632351 (or 21632346 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1081616950 is about 32887.9453599643. The cubic root of 1081616950 is about 1026.4973396511.

The spelling of 1081616950 in words is "one billion, eighty-one million, six hundred sixteen thousand, nine hundred fifty".