153000661 has 8 divisors (see below), whose sum is σ = 171421344. Its totient is φ = 135331920.

The previous prime is 153000649. The next prime is 153000667. The reversal of 153000661 is 166000351.

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 153000661 - 2¹⁷ = 152869589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153000667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187555 + ... + 188368.

It is an arithmetic number, because the mean of its divisors is an integer number (21427668).

Almost surely, 2^153000661 is an apocalyptic number.

153000661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

153000661 is a deficient number, since it is larger than the sum of its proper divisors (18420683).

153000661 is a wasteful number, since it uses less digits than its factorization.

153000661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375971.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 153000661 is about 12369.3435961655. The cubic root of 153000661 is about 534.8488943507.

The spelling of 153000661 in words is "one hundred fifty-three million, six hundred sixty-one", and thus it is an aban number.