1091674650 has 48 divisors (see below), whose sum is σ = 2953480608. Its totient is φ = 264648000.

The previous prime is 1091674643. The next prime is 1091674673. The reversal of 1091674650 is 564761901.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1091674599 and 1091674608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329161 + ... + 332460.

It is an arithmetic number, because the mean of its divisors is an integer number (61530846).

Almost surely, 2^1091674650 is an apocalyptic number.

1091674650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1091674650 is an abundant number, since it is smaller than the sum of its proper divisors (1861805958).

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

1091674650 is a wasteful number, since it uses less digits than its factorization.

1091674650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661647 (or 661642 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1091674650 is about 33040.5001475462. The cubic root of 1091674650 is about 1029.6692468651.

The spelling of 1091674650 in words is "one billion, ninety-one million, six hundred seventy-four thousand, six hundred fifty".