355666051 has 16 divisors (see below), whose sum is σ = 394849728. Its totient is φ = 318326400.

The previous prime is 355666037. The next prime is 355666067. The reversal of 355666051 is 150666553.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 355666051 - 2¹⁷ = 355534979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355666051.

It is not an unprimeable number, because it can be changed into a prime (355666081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53145 + ... + 59461.

It is an arithmetic number, because the mean of its divisors is an integer number (24678108).

Almost surely, 2^355666051 is an apocalyptic number.

355666051 is a deficient number, since it is larger than the sum of its proper divisors (39183677).

355666051 is a wasteful number, since it uses less digits than its factorization.

355666051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 355666051 is about 18859.1105569695. The cubic root of 355666051 is about 708.5124253528.

The spelling of 355666051 in words is "three hundred fifty-five million, six hundred sixty-six thousand, fifty-one".