61590870403 has 8 divisors (see below), whose sum is σ = 63318972272. Its totient is φ = 59866109856.

The previous prime is 61590870379. The next prime is 61590870533. The reversal of 61590870403 is 30407809516.

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 61590870403 - 2⁵ = 61590870371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61590870403.

It is not an unprimeable number, because it can be changed into a prime (61590871403) 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 7 ways as a sum of consecutive naturals, for example, 797925 + ... + 871702.

It is an arithmetic number, because the mean of its divisors is an integer number (7914871534).

Almost surely, 2^61590870403 is an apocalyptic number.

61590870403 is a deficient number, since it is larger than the sum of its proper divisors (1728101869).

61590870403 is a wasteful number, since it uses less digits than its factorization.

61590870403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670661.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 61590870403 in words is "sixty-one billion, five hundred ninety million, eight hundred seventy thousand, four hundred three".