61066454 has 8 divisors (see below), whose sum is σ = 92065248. Its totient is φ = 30378040.

The previous prime is 61066451. The next prime is 61066463. The reversal of 61066454 is 45466016.

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

It is a super-2 number, since 2×61066454² = 7458223608268232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61066454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61066451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77102 + ... + 77889.

It is an arithmetic number, because the mean of its divisors is an integer number (11508156).

Almost surely, 2^61066454 is an apocalyptic number.

61066454 is a deficient number, since it is larger than the sum of its proper divisors (30998794).

61066454 is a wasteful number, since it uses less digits than its factorization.

61066454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155190.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 61066454 is about 7814.5027992829. The cubic root of 61066454 is about 393.7926150568.

The spelling of 61066454 in words is "sixty-one million, sixty-six thousand, four hundred fifty-four".