1051961648 has 10 divisors (see below), whose sum is σ = 2038175724. Its totient is φ = 525980816.

The previous prime is 1051961639. The next prime is 1051961693. The reversal of 1051961648 is 8461691501.

It is a super-2 number, since 2×1051961648² = 2213246617725751808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32873786 + ... + 32873817.

Almost surely, 2^1051961648 is an apocalyptic number.

It is an amenable number.

1051961648 is a deficient number, since it is larger than the sum of its proper divisors (986214076).

1051961648 is an equidigital number, since it uses as much as digits as its factorization.

1051961648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65747611 (or 65747605 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1051961648 is about 32433.9582536575. The cubic root of 1051961648 is about 1017.0289192055.

The spelling of 1051961648 in words is "one billion, fifty-one million, nine hundred sixty-one thousand, six hundred forty-eight".