461720155 has 8 divisors (see below), whose sum is σ = 596684592. Its totient is φ = 340962528.

The previous prime is 461720113. The next prime is 461720167. The reversal of 461720155 is 551027164.

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 461720155 - 2⁷ = 461720027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3551629 + ... + 3551758.

It is an arithmetic number, because the mean of its divisors is an integer number (74585574).

Almost surely, 2^461720155 is an apocalyptic number.

461720155 is a deficient number, since it is larger than the sum of its proper divisors (134964437).

461720155 is a wasteful number, since it uses less digits than its factorization.

461720155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103405.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 461720155 is about 21487.6744902747. The cubic root of 461720155 is about 772.9052861578.

The spelling of 461720155 in words is "four hundred sixty-one million, seven hundred twenty thousand, one hundred fifty-five".