661054335 has 8 divisors (see below), whose sum is σ = 1057686960. Its totient is φ = 352562304.

The previous prime is 661054301. The next prime is 661054337. The reversal of 661054335 is 533450166.

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

It is not a de Polignac number, because 661054335 - 2¹⁰ = 661053311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 661054296 and 661054305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (661054337) 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, 22035130 + ... + 22035159.

It is an arithmetic number, because the mean of its divisors is an integer number (132210870).

Almost surely, 2^661054335 is an apocalyptic number.

661054335 is a deficient number, since it is larger than the sum of its proper divisors (396632625).

661054335 is a wasteful number, since it uses less digits than its factorization.

661054335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44070297.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 661054335 is about 25710.9769359315. The cubic root of 661054335 is about 871.1221416612.

The spelling of 661054335 in words is "six hundred sixty-one million, fifty-four thousand, three hundred thirty-five".