61151390 has 8 divisors (see below), whose sum is σ = 110072520. Its totient is φ = 24460552.

The previous prime is 61151357. The next prime is 61151429. The reversal of 61151390 is 9315116.

61151390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3057560 + ... + 3057579.

It is an arithmetic number, because the mean of its divisors is an integer number (13759065).

Almost surely, 2^61151390 is an apocalyptic number.

61151390 is a deficient number, since it is larger than the sum of its proper divisors (48921130).

61151390 is a wasteful number, since it uses less digits than its factorization.

61151390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115146.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 61151390 is about 7819.9354217282. The cubic root of 61151390 is about 393.9751029987.

The spelling of 61151390 in words is "sixty-one million, one hundred fifty-one thousand, three hundred ninety".