3537021966 has 16 divisors (see below), whose sum is σ = 7096363344. Its totient is φ = 1175287424.

The previous prime is 3537021959. The next prime is 3537021967. The reversal of 3537021966 is 6691207353.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3537021967) 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, 927915 + ... + 931718.

It is an arithmetic number, because the mean of its divisors is an integer number (443522709).

Almost surely, 2^3537021966 is an apocalyptic number.

3537021966 is an abundant number, since it is smaller than the sum of its proper divisors (3559341378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3537021966 is a wasteful number, since it uses less digits than its factorization.

3537021966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859955.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 3537021966 is about 59472.8674775313. The cubic root of 3537021966 is about 1523.6290775156.

The spelling of 3537021966 in words is "three billion, five hundred thirty-seven million, twenty-one thousand, nine hundred sixty-six".