690668461070 has 64 divisors (see below), whose sum is σ = 1470256444800. Its totient is φ = 228563596800.

The previous prime is 690668461069. The next prime is 690668461073. The reversal of 690668461070 is 70164866096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690668461073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6649496 + ... + 6752564.

It is an arithmetic number, because the mean of its divisors is an integer number (22972756950).

Almost surely, 2^690668461070 is an apocalyptic number.

690668461070 is an abundant number, since it is smaller than the sum of its proper divisors (779587983730).

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

690668461070 is a wasteful number, since it uses less digits than its factorization.

690668461070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106413.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 690668461070 in words is "six hundred ninety billion, six hundred sixty-eight million, four hundred sixty-one thousand, seventy".