1011654378 has 96 divisors (see below), whose sum is σ = 2606178432. Its totient is φ = 277603200.

The previous prime is 1011654359. The next prime is 1011654383. The reversal of 1011654378 is 8734561101.

1011654378 is a `hidden beast` number, since 101 + 1 + 6 + 543 + 7 + 8 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328968 + ... + 332028.

It is an arithmetic number, because the mean of its divisors is an integer number (27147692).

Almost surely, 2^1011654378 is an apocalyptic number.

1011654378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011654378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303089216).

1011654378 is an abundant number, since it is smaller than the sum of its proper divisors (1594524054).

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

1011654378 is a wasteful number, since it uses less digits than its factorization.

1011654378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180 (or 3177 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1011654378 is about 31806.5147100401. The cubic root of 1011654378 is about 1003.8697980128.

The spelling of 1011654378 in words is "one billion, eleven million, six hundred fifty-four thousand, three hundred seventy-eight".