966554690 has 16 divisors (see below), whose sum is σ = 1741227192. Its totient is φ = 386304384.

The previous prime is 966554689. The next prime is 966554711. The reversal of 966554690 is 96455669.

It can be written as a sum of positive squares in 4 ways, for example, as 923612881 + 42941809 = 30391^2 + 6553^2 .

It is a super-2 number, since 2×966554690² = 1868455937521992200, which contains 22 as substring.

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, 26699 + ... + 51438.

Almost surely, 2^966554690 is an apocalyptic number.

966554690 is a deficient number, since it is larger than the sum of its proper divisors (774672502).

966554690 is a wasteful number, since it uses less digits than its factorization.

966554690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79381.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The square root of 966554690 is about 31089.4626843244. The cubic root of 966554690 is about 988.7249135504.

The spelling of 966554690 in words is "nine hundred sixty-six million, five hundred fifty-four thousand, six hundred ninety".