1067146638 has 8 divisors (see below), whose sum is σ = 2134293288. Its totient is φ = 355715544.

The previous prime is 1067146607. The next prime is 1067146643. The reversal of 1067146638 is 8366417601.

It is a sphenic number, since it is the product of 3 distinct primes.

1067146638 is an admirable number.

It is a super-2 number, since 2×1067146638² = 2277603893989406088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1067146638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88928881 + ... + 88928892.

It is an arithmetic number, because the mean of its divisors is an integer number (266786661).

Almost surely, 2^1067146638 is an apocalyptic number.

1067146638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1067146638 is a wasteful number, since it uses less digits than its factorization.

1067146638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177857778.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1067146638 is about 32667.2104410524. The cubic root of 1067146638 is about 1021.8991396106.

The spelling of 1067146638 in words is "one billion, sixty-seven million, one hundred forty-six thousand, six hundred thirty-eight".