1061640502 has 16 divisors (see below), whose sum is σ = 1754842320. Its totient is φ = 478592352.

The previous prime is 1061640499. The next prime is 1061640551. The reversal of 1061640502 is 2050461601.

It is a super-2 number, since 2×1061640502² = 2254161110973624008, which contains 22 as substring.

It is a congruent number.

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, 473677 + ... + 475912.

It is an arithmetic number, because the mean of its divisors is an integer number (109677645).

Almost surely, 2^1061640502 is an apocalyptic number.

1061640502 is a deficient number, since it is larger than the sum of its proper divisors (693201818).

1061640502 is a wasteful number, since it uses less digits than its factorization.

1061640502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949647.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1061640502 is about 32582.8252611710. The cubic root of 1061640502 is about 1020.1385503194.

The spelling of 1061640502 in words is "one billion, sixty-one million, six hundred forty thousand, five hundred two".