1061016642 has 48 divisors (see below), whose sum is σ = 2634021312. Its totient is φ = 302369760.

The previous prime is 1061016641. The next prime is 1061016643. The reversal of 1061016642 is 2466101601.

1061016642 is a `hidden beast` number, since 1 + 0 + 6 + 1 + 0 + 16 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (1061016641) and next prime (1061016643).

It is a super-3 number, since 3×1061016642³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1061016641) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 39417 + ... + 60627.

It is an arithmetic number, because the mean of its divisors is an integer number (54875444).

Almost surely, 2^1061016642 is an apocalyptic number.

1061016642 is an abundant number, since it is smaller than the sum of its proper divisors (1573004670).

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

1061016642 is a wasteful number, since it uses less digits than its factorization.

1061016642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21623 (or 21620 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1061016642 is about 32573.2504058161. The cubic root of 1061016642 is about 1019.9386872026.

The spelling of 1061016642 in words is "one billion, sixty-one million, sixteen thousand, six hundred forty-two".