100061605 has 8 divisors (see below), whose sum is σ = 137227392. Its totient is φ = 68613648.

The previous prime is 100061603. The next prime is 100061623. The reversal of 100061605 is 506160001.

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

It is a cyclic number.

It is not a de Polignac number, because 100061605 - 2¹ = 100061603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100061603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429417 + ... + 1429486.

It is an arithmetic number, because the mean of its divisors is an integer number (17153424).

Almost surely, 2^100061605 is an apocalyptic number.

It is an amenable number.

100061605 is a deficient number, since it is larger than the sum of its proper divisors (37165787).

100061605 is an equidigital number, since it uses as much as digits as its factorization.

100061605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858915.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 100061605 is about 10003.0797757491. The cubic root of 100061605 is about 464.2541788217.

It can be divided in two parts, 10006 and 1605, that added together give a palindrome (11611).

The spelling of 100061605 in words is "one hundred million, sixty-one thousand, six hundred five".