61604212035 has 16 divisors (see below), whose sum is σ = 98585145504. Its totient is φ = 32849444352.

The previous prime is 61604211983. The next prime is 61604212039. The reversal of 61604212035 is 53021240616.

It is not a de Polignac number, because 61604212035 - 2¹⁴ = 61604195651 is a prime.

It is a super-3 number, since 3×61604212035³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61604211993 and 61604212011.

It is not an unprimeable number, because it can be changed into a prime (61604212039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299872 + ... + 461661.

It is an arithmetic number, because the mean of its divisors is an integer number (6161571594).

Almost surely, 2^61604212035 is an apocalyptic number.

61604212035 is a deficient number, since it is larger than the sum of its proper divisors (36980933469).

61604212035 is a wasteful number, since it uses less digits than its factorization.

61604212035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766934.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 61604212035 in words is "sixty-one billion, six hundred four million, two hundred twelve thousand, thirty-five".