1497655670 has 32 divisors (see below), whose sum is σ = 3108172608. Its totient is φ = 508935168.

The previous prime is 1497655657. The next prime is 1497655703. The reversal of 1497655670 is 765567941.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86759 + ... + 102578.

It is an arithmetic number, because the mean of its divisors is an integer number (97130394).

Almost surely, 2^1497655670 is an apocalyptic number.

1497655670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1497655670 is an abundant number, since it is smaller than the sum of its proper divisors (1610516938).

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

1497655670 is a wasteful number, since it uses less digits than its factorization.

1497655670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189464.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 1497655670 is about 38699.5564574066. The cubic root of 1497655670 is about 1144.1175787304.

The spelling of 1497655670 in words is "one billion, four hundred ninety-seven million, six hundred fifty-five thousand, six hundred seventy".