1656359097 has 32 divisors (see below), whose sum is σ = 2309260800. Its totient is φ = 1055158272.

The previous prime is 1656359087. The next prime is 1656359119. The reversal of 1656359097 is 7909536561.

It is not a de Polignac number, because 1656359097 - 2¹⁴ = 1656342713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1656359027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2153529 + ... + 2154297.

It is an arithmetic number, because the mean of its divisors is an integer number (72164400).

Almost surely, 2^1656359097 is an apocalyptic number.

It is an amenable number.

1656359097 is a deficient number, since it is larger than the sum of its proper divisors (652901703).

1656359097 is a wasteful number, since it uses less digits than its factorization.

1656359097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 1530900, while the sum is 51.

The square root of 1656359097 is about 40698.3918232650. The cubic root of 1656359097 is about 1183.1818503349.

The spelling of 1656359097 in words is "one billion, six hundred fifty-six million, three hundred fifty-nine thousand, ninety-seven".