61026615406 has 8 divisors (see below), whose sum is σ = 92238701544. Its totient is φ = 30280381560.

The previous prime is 61026615383. The next prime is 61026615431. The reversal of 61026615406 is 60451662016.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 116462745 + ... + 116463268.

It is an arithmetic number, because the mean of its divisors is an integer number (11529837693).

Almost surely, 2^61026615406 is an apocalyptic number.

61026615406 is a deficient number, since it is larger than the sum of its proper divisors (31212086138).

61026615406 is a wasteful number, since it uses less digits than its factorization.

61026615406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232926146.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 61026615406 in words is "sixty-one billion, twenty-six million, six hundred fifteen thousand, four hundred six".